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57145116 = 2237680299
BaseRepresentation
bin1101100111111…
…1011100011100
310222112021100210
43121333130130
5104112120431
65400452420
71262503560
oct331773434
9128467323
1057145116
112a290a76
121717a110
13baba6a2
1478376a0
15503bd46
hex367f71c

57145116 has 24 divisors (see below), whose sum is σ = 152387200. Its totient is φ = 16327152.

The previous prime is 57145079. The next prime is 57145147. The reversal of 57145116 is 61154175.

It is a congruent number.

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, 340066 + ... + 340233.

Almost surely, 257145116 is an apocalyptic number.

It is an amenable number.

57145116 is an abundant number, since it is smaller than the sum of its proper divisors (95242084).

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

57145116 is a wasteful number, since it uses less digits than its factorization.

57145116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680313 (or 680311 counting only the distinct ones).

The product of its digits is 4200, while the sum is 30.

The square root of 57145116 is about 7559.4388680642. The cubic root of 57145116 is about 385.1764323185.

The spelling of 57145116 in words is "fifty-seven million, one hundred forty-five thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 680299 1360598 2040897 2721196 4081794 4762093 8163588 9524186 14286279 19048372 28572558 57145116