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57140652 = 22361251311
BaseRepresentation
bin1101100111111…
…0010110101100
310222112001020110
43121332112230
5104112000102
65400420020
71262454552
oct331762654
9128461213
1057140652
112a288688
1217177610
13bab864a
147835bd2
15503a86c
hex367e5ac

57140652 has 48 divisors (see below), whose sum is σ = 136491264. Its totient is φ = 18600000.

The previous prime is 57140651. The next prime is 57140659. The reversal of 57140652 is 25604175.

It is a super-2 number, since 2×571406522 = 6530108221970208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57140651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183577 + ... + 183887.

It is an arithmetic number, because the mean of its divisors is an integer number (2843568).

Almost surely, 257140652 is an apocalyptic number.

It is an amenable number.

57140652 is an abundant number, since it is smaller than the sum of its proper divisors (79350612).

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

57140652 is a wasteful number, since it uses less digits than its factorization.

57140652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57140652 is about 7559.1436022872. The cubic root of 57140652 is about 385.1664024595.

The spelling of 57140652 in words is "fifty-seven million, one hundred forty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 61 122 183 244 251 311 366 502 622 732 753 933 1004 1244 1506 1866 3012 3732 15311 18971 30622 37942 45933 56913 61244 75884 78061 91866 113826 156122 183732 227652 234183 312244 468366 936732 4761721 9523442 14285163 19046884 28570326 57140652