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57384808 = 23133311667
BaseRepresentation
bin1101101011100…
…1111101101000
310222222110011021
43122321331220
5104142303213
65405542224
71264522435
oct332717550
9128873137
1057384808
112a435068
1217274974
13bb72810
14789ab8c
155087d8d
hex36b9f68

57384808 has 32 divisors (see below), whose sum is σ = 116292960. Its totient is φ = 26389440.

The previous prime is 57384781. The next prime is 57384841. The reversal of 57384808 is 80848375.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33591 + ... + 35257.

It is an arithmetic number, because the mean of its divisors is an integer number (3634155).

Almost surely, 257384808 is an apocalyptic number.

It is an amenable number.

57384808 is an abundant number, since it is smaller than the sum of its proper divisors (58908152).

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

57384808 is a wasteful number, since it uses less digits than its factorization.

57384808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 57384808 is about 7575.2761005788. The cubic root of 57384808 is about 385.7142148017.

The spelling of 57384808 in words is "fifty-seven million, three hundred eighty-four thousand, eight hundred eight".

Divisors: 1 2 4 8 13 26 52 104 331 662 1324 1667 2648 3334 4303 6668 8606 13336 17212 21671 34424 43342 86684 173368 551777 1103554 2207108 4414216 7173101 14346202 28692404 57384808