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86578052 = 22111967683
BaseRepresentation
bin1010010100100…
…01001110000100
320000220121202112
411022101032010
5134130444202
612331400152
72100621101
oct512211604
9200817675
1086578052
1144964410
1224bb3058
1314c24522
14b6d9aa8
157902b52
hex5291384

86578052 has 12 divisors (see below), whose sum is σ = 165285456. Its totient is φ = 39353640.

The previous prime is 86578033. The next prime is 86578069. The reversal of 86578052 is 25087568.

It is a super-2 number, since 2×865780522 = 14991518176229408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983798 + ... + 983885.

It is an arithmetic number, because the mean of its divisors is an integer number (13773788).

Almost surely, 286578052 is an apocalyptic number.

It is an amenable number.

86578052 is a deficient number, since it is larger than the sum of its proper divisors (78707404).

86578052 is a wasteful number, since it uses less digits than its factorization.

86578052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967698 (or 1967696 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 86578052 is about 9304.7327742391. The cubic root of 86578052 is about 442.3872516429.

The spelling of 86578052 in words is "eighty-six million, five hundred seventy-eight thousand, fifty-two".

Divisors: 1 2 4 11 22 44 1967683 3935366 7870732 21644513 43289026 86578052