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56809954 = 2172372647
BaseRepresentation
bin1101100010110…
…1100111100010
310221220020121101
43120231213202
5104020404304
65345345014
71256606455
oct330554742
9127806541
1056809954
112a082183
121703816a
13ba00c76
14778b49c
154ec28a4
hex362d9e2

56809954 has 16 divisors (see below), whose sum is σ = 94151808. Its totient is φ = 25571392.

The previous prime is 56809939. The next prime is 56809997. The reversal of 56809954 is 45990865.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35542 + ... + 37105.

It is an arithmetic number, because the mean of its divisors is an integer number (5884488).

Almost surely, 256809954 is an apocalyptic number.

56809954 is a deficient number, since it is larger than the sum of its proper divisors (37341854).

56809954 is a wasteful number, since it uses less digits than its factorization.

56809954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72689.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 56809954 is about 7537.2378229694. The cubic root of 56809954 is about 384.4219221278.

The spelling of 56809954 in words is "fifty-six million, eight hundred nine thousand, nine hundred fifty-four".

Divisors: 1 2 17 23 34 46 391 782 72647 145294 1234999 1670881 2469998 3341762 28404977 56809954