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56361856 = 272811567
BaseRepresentation
bin1101011100000…
…0001110000000
310221001110221011
43113000032000
5103412034411
65332010304
71253032165
oct327001600
9127043834
1056361856
11298a6551
1216a60994
13b8a5015
1476b206c
154e34c21
hex35c0380

56361856 has 32 divisors (see below), whose sum is σ = 112754880. Its totient is φ = 28062720.

The previous prime is 56361853. The next prime is 56361857. The reversal of 56361856 is 65816365.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56361853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35185 + ... + 36751.

It is an arithmetic number, because the mean of its divisors is an integer number (3523590).

Almost surely, 256361856 is an apocalyptic number.

It is an amenable number.

56361856 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

56361856 is a wasteful number, since it uses less digits than its factorization.

56361856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1850 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 56361856 is about 7507.4533631585. The cubic root of 56361856 is about 383.4085222811.

The spelling of 56361856 in words is "fifty-six million, three hundred sixty-one thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 128 281 562 1124 1567 2248 3134 4496 6268 8992 12536 17984 25072 35968 50144 100288 200576 440327 880654 1761308 3522616 7045232 14090464 28180928 56361856