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57086064 = 2432756633
BaseRepresentation
bin1101100111000…
…1000001110000
310222102021100200
43121301001300
5104103223224
65355315200
71262136450
oct331610160
9128367320
1057086064
112a250672
121714bb00
13ba99849
14781dd60
1550295c9
hex3671070

57086064 has 60 divisors (see below), whose sum is σ = 182588016. Its totient is φ = 16310016.

The previous prime is 57086053. The next prime is 57086083. The reversal of 57086064 is 46068075.

It is a happy number.

57086064 is a `hidden beast` number, since 570 + 86 + 0 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 27309 + ... + 29324.

Almost surely, 257086064 is an apocalyptic number.

It is an amenable number.

57086064 is an abundant number, since it is smaller than the sum of its proper divisors (125501952).

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

57086064 is a wasteful number, since it uses less digits than its factorization.

57086064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56654 (or 56645 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 57086064 is about 7555.5320130352. The cubic root of 57086064 is about 385.0437101101.

The spelling of 57086064 in words is "fifty-seven million, eighty-six thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 56633 113266 169899 226532 339798 396431 453064 509697 679596 792862 906128 1019394 1189293 1359192 1585724 2038788 2378586 2718384 3171448 3567879 4077576 4757172 6342896 7135758 8155152 9514344 14271516 19028688 28543032 57086064