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56902996 = 22611012309
BaseRepresentation
bin1101100100010…
…0010101010100
310222001222020101
43121010111110
5104031343441
65351343444
71260444643
oct331042524
9128058211
1056902996
112a136077
1217081b84
13ba34417
1477b335a
154ee0231
hex3644554

56902996 has 24 divisors (see below), whose sum is σ = 102259080. Its totient is φ = 27696000.

The previous prime is 56902981. The next prime is 56903009. The reversal of 56902996 is 69920965.

It can be written as a sum of positive squares in 4 ways, for example, as 16402500 + 40500496 = 4050^2 + 6364^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23490 + ... + 25798.

It is an arithmetic number, because the mean of its divisors is an integer number (4260795).

Almost surely, 256902996 is an apocalyptic number.

It is an amenable number.

56902996 is a deficient number, since it is larger than the sum of its proper divisors (45356084).

56902996 is a wasteful number, since it uses less digits than its factorization.

56902996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2473 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 56902996 is about 7543.4074528690. The cubic root of 56902996 is about 384.6316733737.

The spelling of 56902996 in words is "fifty-six million, nine hundred two thousand, nine hundred ninety-six".

Divisors: 1 2 4 61 101 122 202 244 404 2309 4618 6161 9236 12322 24644 140849 233209 281698 466418 563396 932836 14225749 28451498 56902996