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57688064 = 2147503
BaseRepresentation
bin1101110000010…
…0000000000000
311000112212010222
43130010000000
5104232004224
65420242212
71300224530
oct334040000
9130485128
1057688064
112a621995
12173a0368
13bc4a865
1479394c0
1550e7b5e
hex3704000

57688064 has 60 divisors (see below), whose sum is σ = 132116544. Its totient is φ = 24674304.

The previous prime is 57688039. The next prime is 57688067. The reversal of 57688064 is 46088675.

It is not an unprimeable number, because it can be changed into a prime (57688067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114437 + ... + 114939.

Almost surely, 257688064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57688064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66058272).

57688064 is an abundant number, since it is smaller than the sum of its proper divisors (74428480).

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

57688064 is an frugal number, since it uses more digits than its factorization.

57688064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 57688064 is about 7595.2658939632. The cubic root of 57688064 is about 386.3924704227.

The spelling of 57688064 in words is "fifty-seven million, six hundred eighty-eight thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 503 512 896 1006 1024 1792 2012 2048 3521 3584 4024 4096 7042 7168 8048 8192 14084 14336 16096 16384 28168 28672 32192 56336 57344 64384 112672 114688 128768 225344 257536 450688 515072 901376 1030144 1802752 2060288 3605504 4120576 7211008 8241152 14422016 28844032 57688064