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6612641 = 7312983
BaseRepresentation
bin11001001110011010100001
3110102221211122
4121032122201
53143101031
6353422025
7110130560
oct31163241
913387748
106612641
1138071a2
12226a915
1314a6b09
14c41bd7
158a947b
hex64e6a1

6612641 has 12 divisors (see below), whose sum is σ = 7816896. Its totient is φ = 5479560.

The previous prime is 6612629. The next prime is 6612653. The reversal of 6612641 is 1462166.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6612629) and next prime (6612653).

It is not a de Polignac number, because 6612641 - 26 = 6612577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6612641.

It is not an unprimeable number, because it can be changed into a prime (6612601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6236 + ... + 7218.

It is an arithmetic number, because the mean of its divisors is an integer number (651408).

Almost surely, 26612641 is an apocalyptic number.

It is an amenable number.

6612641 is a deficient number, since it is larger than the sum of its proper divisors (1204255).

6612641 is an equidigital number, since it uses as much as digits as its factorization.

6612641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1021 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 6612641 is about 2571.5055901164. The cubic root of 6612641 is about 187.6974252364.

The spelling of 6612641 in words is "six million, six hundred twelve thousand, six hundred forty-one".

Divisors: 1 7 31 217 961 983 6727 6881 30473 213311 944663 6612641