Armstrong Number : When Sum of Cubes of Digits Of Number Equal to Same Given Number then the number is called as Armstrong Number.For example 153 is an Armstrong number .
Explanation is given below
153 = [1*1*1] + [5*5*5] + [3*3*3]
= 1 + 125 + 27
= 153
C program for finding armstrong number.
#include<stdio.h>
int main()
{
int num, temp, sum = 0, rem;
printf("nEnter number for checking Armstrong : ");
scanf("%d", &num);
temp = num;
while (num != 0)
{
rem = num % 10;
sum = sum + (rem * rem * rem);
num = num / 10;
}
if (temp == sum)
printf("%d is Amstrong Number", temp);
else
printf("%d is Amstrong Number", temp);
return (0);
}
Output:
Enter number for checking Armstrong : 153
153 is Amstrong Number.
