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57042370 = 25721119557
BaseRepresentation
bin1101100110011…
…0010111000010
310222100001102101
43121212113002
5104100323440
65354341014
71261565200
oct331462702
9128301371
1057042370
112a220860
121712a76a
13ba829a8
14780c070
15501b69a
hex36665c2

57042370 has 96 divisors (see below), whose sum is σ = 137401920. Its totient is φ = 16813440.

The previous prime is 57042367. The next prime is 57042371. The reversal of 57042370 is 7324075.

57042370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57042371) 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 47 ways as a sum of consecutive naturals, for example, 102132 + ... + 102688.

It is an arithmetic number, because the mean of its divisors is an integer number (1431270).

Almost surely, 257042370 is an apocalyptic number.

57042370 is an abundant number, since it is smaller than the sum of its proper divisors (80359550).

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

57042370 is a wasteful number, since it uses less digits than its factorization.

57042370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 57042370 is about 7552.6399358105. The cubic root of 57042370 is about 384.9454468158.

The spelling of 57042370 in words is "fifty-seven million, forty-two thousand, three hundred seventy".

Divisors: 1 2 5 7 10 11 14 19 22 35 38 49 55 70 77 95 98 110 133 154 190 209 245 266 385 418 490 539 557 665 770 931 1045 1078 1114 1330 1463 1862 2090 2695 2785 2926 3899 4655 5390 5570 6127 7315 7798 9310 10241 10583 12254 14630 19495 20482 21166 27293 30635 38990 42889 51205 52915 54586 61270 74081 85778 102410 105830 116413 136465 148162 214445 232826 272930 300223 370405 428890 518567 582065 600446 740810 814891 1037134 1164130 1501115 1629782 2592835 3002230 4074455 5185670 5704237 8148910 11408474 28521185 57042370