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56823894 = 23217185699
BaseRepresentation
bin1101100011000…
…1000001010110
310221220221201200
43120301001112
5104021331034
65345533330
71256665221
oct330610126
9127827650
1056823894
112a0916a6
1217044246
13ba0740a
1477925b8
154ec6a99
hex3631056

56823894 has 24 divisors (see below), whose sum is σ = 130361400. Its totient is φ = 17827008.

The previous prime is 56823883. The next prime is 56823937. The reversal of 56823894 is 49832865.

56823894 is a `hidden beast` number, since 568 + 2 + 3 + 89 + 4 = 666.

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 11 ways as a sum of consecutive naturals, for example, 92544 + ... + 93155.

It is an arithmetic number, because the mean of its divisors is an integer number (5431725).

Almost surely, 256823894 is an apocalyptic number.

56823894 is an abundant number, since it is smaller than the sum of its proper divisors (73537506).

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

56823894 is a wasteful number, since it uses less digits than its factorization.

56823894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185724 (or 185721 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 56823894 is about 7538.1625081979. The cubic root of 56823894 is about 384.4533626469.

The spelling of 56823894 in words is "fifty-six million, eight hundred twenty-three thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 185699 371398 557097 1114194 1671291 3156883 3342582 6313766 9470649 18941298 28411947 56823894