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57051672 = 2332698837
BaseRepresentation
bin1101100110100…
…0101000011000
310222100112011220
43121220220120
5104101123142
65354452040
71261634256
oct331505030
9128315156
1057051672
112a227847
1217134020
13ba86cb2
1478115d6
15501e2ec
hex3668a18

57051672 has 32 divisors (see below), whose sum is σ = 143175600. Its totient is φ = 18944384.

The previous prime is 57051649. The next prime is 57051697. The reversal of 57051672 is 27615075.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038 + ... + 10874.

Almost surely, 257051672 is an apocalyptic number.

It is an amenable number.

57051672 is an abundant number, since it is smaller than the sum of its proper divisors (86123928).

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

57051672 is a wasteful number, since it uses less digits than its factorization.

57051672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115 (or 9111 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 57051672 is about 7553.2557218725. The cubic root of 57051672 is about 384.9663702564.

The spelling of 57051672 in words is "fifty-seven million, fifty-one thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 269 538 807 1076 1614 2152 3228 6456 8837 17674 26511 35348 53022 70696 106044 212088 2377153 4754306 7131459 9508612 14262918 19017224 28525836 57051672