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57945854 = 2435312713
BaseRepresentation
bin1101110100001…
…0111011111110
311001000221202202
43131002323332
5104313231404
65425551502
71302350231
oct335027376
9131027682
1057945854
112a78863a
12174a5592
13c00acb5
1479a5418
15514921e
hex3742efe

57945854 has 16 divisors (see below), whose sum is σ = 90625392. Its totient is φ = 27763008.

The previous prime is 57945803. The next prime is 57945859. The reversal of 57945854 is 45854975.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57945799 and 57945808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57945859) by changing a digit.

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, 1799 + ... + 10914.

It is an arithmetic number, because the mean of its divisors is an integer number (5664087).

Almost surely, 257945854 is an apocalyptic number.

57945854 is a deficient number, since it is larger than the sum of its proper divisors (32679538).

57945854 is a wasteful number, since it uses less digits than its factorization.

57945854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811.

The product of its digits is 1008000, while the sum is 47.

The square root of 57945854 is about 7612.2174167584. The cubic root of 57945854 is about 386.9671711075.

The spelling of 57945854 in words is "fifty-seven million, nine hundred forty-five thousand, eight hundred fifty-four".

Divisors: 1 2 43 53 86 106 2279 4558 12713 25426 546659 673789 1093318 1347578 28972927 57945854