# program to check an Abundant number

Here in this article we will write program to check that number is abundant or not . So for this first we have to know what is abundant number.

## What is an Abundant number: –

A number is said to be Abundant number if sum of it’s all divisors except it is greater than the number itself.

for Example: –

divisors of 12 are 1 , 2 , 3 , 4 , 6 . and sum of all is 16 which is greater than 12 so 12 is an abundant number .

## program to check an Abundant number:-

**C++ Code:- **

#include<bits/stdc++.h> using namespace std; int main() { int n,sum_d=0; cout<<"Enter a number\n"; cin>>n; // finding sum of divisors for(int i=1;i<n;i++) { if(n%i==0) sum_d+=i; } // checking abundant if(sum_d>n) cout<<n<<" is an abundant number"<<endl; else cout<<n<<" is not an abundant number"<<endl; return 0; }

**Output:- **

Enter a number 18 18 is an abundant number

python code:-

n=int(input()) sum=0 for i in range(1,n): if n%i==0: sum=sum+i if sum>n: print(n,"is an Abundant number ") else: print(n,"is not an Abundant number ")

output:-

12 12 is an Abundant number

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