C program to find armstrong number
What is Armstrong number?
Sum of a number’s digits raised to the power total number of digits is armstrong number.
Armstrong numbers example: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 153, 370, 371, 407, 1634 etc
Explanation:
3 = 3^1 = 3
153 = 1^3 + 5^3 + 3^3 = 153
Non-Armstrong numbers:
156 = 1^3 + 5^3 + 6^3 . This value is equal to 342. So, 156 is not an armstrong number.
Let see the below C Program:
#include<stdio.h>
#include<math.h>
void main()
{
int number, a, b, c, sum=0, count=0;
printf(“\n Enter the number”);
scanf(“%d”,&number);
a=number;
b=a;
while(a>0)
{
count++;
a=a/10;
}
while(b>0)
{
c=b%10;
sum=sum+pow(c,count);
b=b/10;
}
printf(“\n sum=%d”,sum);
if(sum==number)
printf(“\n The number is Armstrong”);
else
printf(“\n The number is not Armstrong”);
getch();
}
