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57064554 = 2335631877
BaseRepresentation
bin1101100110101…
…1110001101010
310222101011212000
43121223301222
5104102031204
65355031430
71262016651
oct331536152
9128334760
1057064554
112a236498
121713b576
13ba8cb11
147816198
155023039
hex366bc6a

57064554 has 32 divisors (see below), whose sum is σ = 127103040. Its totient is φ = 18977616.

The previous prime is 57064549. The next prime is 57064571. The reversal of 57064554 is 45546075.

It is a happy number.

57064554 is a `hidden beast` number, since 5 + 7 + 0 + 645 + 5 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29464 + ... + 31340.

It is an arithmetic number, because the mean of its divisors is an integer number (3971970).

Almost surely, 257064554 is an apocalyptic number.

57064554 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

57064554 is an abundant number, since it is smaller than the sum of its proper divisors (70038486).

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

57064554 is a wasteful number, since it uses less digits than its factorization.

57064554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 57064554 is about 7554.1084186024. The cubic root of 57064554 is about 384.9953426097.

The spelling of 57064554 in words is "fifty-seven million, sixty-four thousand, five hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 563 1126 1689 1877 3378 3754 5067 5631 10134 11262 15201 16893 30402 33786 50679 101358 1056751 2113502 3170253 6340506 9510759 19021518 28532277 57064554