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57030544 = 2453109617
BaseRepresentation
bin1101100110001…
…1011110010000
310222022110012101
43121203132100
5104044434134
65354210144
71261515544
oct331433620
9128273171
1057030544
112a21298a
1217123954
13ba7a4ac
147807a24
155017e14
hex3663790

57030544 has 40 divisors (see below), whose sum is σ = 113798520. Its totient is φ = 27675648.

The previous prime is 57030541. The next prime is 57030553. The reversal of 57030544 is 44503075.

57030544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5017600 + 52012944 = 2240^2 + 7212^2 .

It is not an unprimeable number, because it can be changed into a prime (57030541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92124 + ... + 92740.

It is an arithmetic number, because the mean of its divisors is an integer number (2844963).

Almost surely, 257030544 is an apocalyptic number.

It is an amenable number.

57030544 is a deficient number, since it is larger than the sum of its proper divisors (56767976).

57030544 is a wasteful number, since it uses less digits than its factorization.

57030544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 57030544 is about 7551.8569901714. The cubic root of 57030544 is about 384.9188427349.

The spelling of 57030544 in words is "fifty-seven million, thirty thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 53 106 109 212 218 424 436 617 848 872 1234 1744 2468 4936 5777 9872 11554 23108 32701 46216 65402 67253 92432 130804 134506 261608 269012 523216 538024 1076048 3564409 7128818 14257636 28515272 57030544