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57855804 = 2234821317
BaseRepresentation
bin1101110010110…
…0111100111100
311000212101020120
43130230330330
5104302341204
65424014540
71301523546
oct334547474
9130771216
1057855804
112a726a16
1217461450
13bca9006
147980696
15512c6d9
hex372cf3c

57855804 has 12 divisors (see below), whose sum is σ = 134996904. Its totient is φ = 19285264.

The previous prime is 57855799. The next prime is 57855857. The reversal of 57855804 is 40855875.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410647 + ... + 2410670.

It is an arithmetic number, because the mean of its divisors is an integer number (11249742).

Almost surely, 257855804 is an apocalyptic number.

It is an amenable number.

57855804 is an abundant number, since it is smaller than the sum of its proper divisors (77141100).

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

57855804 is a wasteful number, since it uses less digits than its factorization.

57855804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821324 (or 4821322 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 57855804 is about 7606.3002833178. The cubic root of 57855804 is about 386.7666134155.

The spelling of 57855804 in words is "fifty-seven million, eight hundred fifty-five thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 4821317 9642634 14463951 19285268 28927902 57855804