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Python program to check if the given number is a Disarium Number
When it is required to check if a given nmber is a disarium number, the sum of digits powered to their respective position is computed. Before this, the number of digits present in the number is determined.
A Disarium Number is the one where the sum of its digits to the power of their respective position is equal to the original number itself.
Below is a demonstration for the same −
Example
def length_calculation(num_val):
length = 0
while(num_val != 0):
length = length + 1
num_val = num_val//10
return length
my_num = 192
remaining = sum_val = 0
len_val = length_calculation(my_num)
print("A copy of the original number is being made...")
num_val = my_num
while(my_num > 0):
remaining = my_num%10
sum_val = sum_val + int(remaining**len_val)
my_num = my_num//10
len_val = len_val - 1
if(sum_val == num_val):
print(str(num_val) + " is a disarium number !")
else:
print(str(num_val) + " isn't a disarium number")Output
A copy of the original number is being made... 192 isn't a disarium number
Explanation
- A method named ‘length_calculation’ is defined, that calculates the number of digits in the number.
- It computes the floor division of the number and returns the length of the number.
- The number is defined, and is displayed on the console.
- It uses the modulus operation to get the remainder, and adds it to a sum variable.
- The power of the position is multiplied with the number itself.
- This is compared with the number.
- If it is equal, it means it is a Harshad number, otherwise it is not.
Updated on: 12-Mar-2021
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