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57145036 = 22133133511
BaseRepresentation
bin1101100111111…
…1011011001100
310222112021020211
43121333123030
5104112120121
65400452204
71262503414
oct331773314
9128467224
1057145036
112a290a03
121717a064
13baba640
147837644
15503bce1
hex367f6cc

57145036 has 24 divisors (see below), whose sum is σ = 108071264. Its totient is φ = 26282880.

The previous prime is 57145019. The next prime is 57145043. The reversal of 57145036 is 63054175.

It is a junction number, because it is equal to n+sod(n) for n = 57144989 and 57145007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14521 + ... + 18031.

Almost surely, 257145036 is an apocalyptic number.

It is an amenable number.

57145036 is a deficient number, since it is larger than the sum of its proper divisors (50926228).

57145036 is a wasteful number, since it uses less digits than its factorization.

57145036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841 (or 3839 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 57145036 is about 7559.4335766643. The cubic root of 57145036 is about 385.1762525766.

The spelling of 57145036 in words is "fifty-seven million, one hundred forty-five thousand, thirty-six".

Divisors: 1 2 4 13 26 52 313 626 1252 3511 4069 7022 8138 14044 16276 45643 91286 182572 1098943 2197886 4395772 14286259 28572518 57145036