Sunday, March 17, 2013

C++ Program to Find Perfect Number

C++ program to check whether a number is not a perfect number or not


#include<iostream>
#include<iomanip>
using namespace std;
int main(){
  int n,i=1,sum=0;
  cout<<"Enter a number: ";
  cin >> n;
  while(i<n){
         if(n%i==0)
               sum=sum+i;
              i++;
  }
  if(sum==n)
         cout << i  <<  " is a perfect number";
  else
         cout << i << " is not a perfect number";
  system("pause");
  return 0;
}

C++ PROGRAM TO CHECK WHETHER A NUMBER IS A PERFECT NUMBER





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