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56662146 = 2331516949
BaseRepresentation
bin1101100000100…
…1100010000010
310221121201212000
43120021202002
5104001142041
65342244430
71255422522
oct330114202
9127551760
1056662146
1129a91122
1216b86716
13b97b8c8
14774d682
154e93bb6
hex3609882

56662146 has 32 divisors (see below), whose sum is σ = 126768000. Its totient is φ = 18759600.

The previous prime is 56662127. The next prime is 56662147. The reversal of 56662146 is 64126665.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56662146.

It is not an unprimeable number, because it can be changed into a prime (56662147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4680 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (3961500).

Almost surely, 256662146 is an apocalyptic number.

56662146 is an abundant number, since it is smaller than the sum of its proper divisors (70105854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56662146 is a wasteful number, since it uses less digits than its factorization.

56662146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111 (or 7105 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 56662146 is about 7527.4262533751. The cubic root of 56662146 is about 384.0882365591.

The spelling of 56662146 in words is "fifty-six million, six hundred sixty-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 151 302 453 906 1359 2718 4077 6949 8154 13898 20847 41694 62541 125082 187623 375246 1049299 2098598 3147897 6295794 9443691 18887382 28331073 56662146