Search a number
-
+
6612713 = 20533221
BaseRepresentation
bin11001001110011011101001
3110102221221022
4121032123221
53143101323
6353422225
7110131022
oct31163351
913387838
106612713
113807258
12226a975
1314a6b63
14c41c49
158a94c8
hex64e6e9

6612713 has 4 divisors (see below), whose sum is σ = 6617988. Its totient is φ = 6607440.

The previous prime is 6612701. The next prime is 6612721. The reversal of 6612713 is 3172166.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4293184 + 2319529 = 2072^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 6612713 - 28 = 6612457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6612733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (1654497).

Almost surely, 26612713 is an apocalyptic number.

It is an amenable number.

6612713 is a deficient number, since it is larger than the sum of its proper divisors (5275).

6612713 is a wasteful number, since it uses less digits than its factorization.

6612713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274.

The product of its digits is 1512, while the sum is 26.

The square root of 6612713 is about 2571.5195896590. The cubic root of 6612713 is about 187.6981064652.

Adding to 6612713 its reverse (3172166), we get a palindrome (9784879).

The spelling of 6612713 in words is "six million, six hundred twelve thousand, seven hundred thirteen".

Divisors: 1 2053 3221 6612713