Monday, April 1, 2013

Find out the perfect number using c program

2:32 AM

C code to check for a perfect number



#include<stdio.h>
int main(){
int n,i=1,sum=0;

printf("Enter a number: ");
scanf("%d",&n);

while(i<n){
if(n%i==0)
sum=sum+i;
i++;
}
if(sum==n)
printf("%d is a perfect number",i);
else
printf("%d is not a perfect number",i);

return 0;
}



output:
Enter a number: 28
28 is a perfect number

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