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57388700 = 2252573887
BaseRepresentation
bin1101101011101…
…0111010011100
310222222122111102
43122322322130
5104142414300
65410012232
71264536665
oct332727234
9128878442
1057388700
112a437a86
1217277078
13bb74515
14789c36c
1550890d5
hex36bae9c

57388700 has 18 divisors (see below), whose sum is σ = 124533696. Its totient is φ = 22955440.

The previous prime is 57388699. The next prime is 57388711. The reversal of 57388700 is 788375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286844 + ... + 287043.

Almost surely, 257388700 is an apocalyptic number.

57388700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57388700 is an abundant number, since it is smaller than the sum of its proper divisors (67144996).

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

57388700 is a wasteful number, since it uses less digits than its factorization.

57388700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573901 (or 573894 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 57388700 is about 7575.5329845497. The cubic root of 57388700 is about 385.7229346810.

The spelling of 57388700 in words is "fifty-seven million, three hundred eighty-eight thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 573887 1147774 2295548 2869435 5738870 11477740 14347175 28694350 57388700