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57124032 = 2637192237
BaseRepresentation
bin1101100111101…
…0010011000000
310222111012102220
43121322103000
5104110432112
65400211040
71262355240
oct331722300
9128435386
1057124032
112a277149
1217169a80
13bab0c04
14782db20
15503598c
hex367a4c0

57124032 has 112 divisors (see below), whose sum is σ = 181904640. Its totient is φ = 15455232.

The previous prime is 57124009. The next prime is 57124043. The reversal of 57124032 is 23042175.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 57123993 and 57124011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24418 + ... + 26654.

Almost surely, 257124032 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 57124032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90952320).

57124032 is an abundant number, since it is smaller than the sum of its proper divisors (124780608).

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

57124032 is a wasteful number, since it uses less digits than its factorization.

57124032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57124032 is about 7558.0441914559. The cubic root of 57124032 is about 385.1290555146.

The spelling of 57124032 in words is "fifty-seven million, one hundred twenty-four thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 84 96 112 114 133 152 168 192 224 228 266 304 336 399 448 456 532 608 672 798 912 1064 1216 1344 1596 1824 2128 2237 3192 3648 4256 4474 6384 6711 8512 8948 12768 13422 15659 17896 25536 26844 31318 35792 42503 46977 53688 62636 71584 85006 93954 107376 125272 127509 143168 170012 187908 214752 250544 255018 297521 340024 375816 429504 501088 510036 595042 680048 751632 892563 1002176 1020072 1190084 1360096 1503264 1785126 2040144 2380168 2720192 3006528 3570252 4080288 4760336 7140504 8160576 9520672 14281008 19041344 28562016 57124032