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56008904 = 2371000159
BaseRepresentation
bin1101010110101…
…0000011001000
310220101112202212
43111222003020
5103314241104
65320244252
71250032160
oct325520310
9126345685
1056008904
1129685356
1216910688
13b7b0483
14761d5a0
154db536e
hex356a0c8

56008904 has 16 divisors (see below), whose sum is σ = 120019200. Its totient is φ = 24003792.

The previous prime is 56008891. The next prime is 56008949. The reversal of 56008904 is 40980065.

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 3 ways as a sum of consecutive naturals, for example, 500024 + ... + 500135.

It is an arithmetic number, because the mean of its divisors is an integer number (7501200).

Almost surely, 256008904 is an apocalyptic number.

It is an amenable number.

56008904 is an abundant number, since it is smaller than the sum of its proper divisors (64010296).

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

56008904 is a wasteful number, since it uses less digits than its factorization.

56008904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000172 (or 1000168 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 56008904 is about 7483.9096734260. The cubic root of 56008904 is about 382.6065125504.

Adding to 56008904 its reverse (40980065), we get a palindrome (96988969).

The spelling of 56008904 in words is "fifty-six million, eight thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 28 56 1000159 2000318 4000636 7001113 8001272 14002226 28004452 56008904