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57369984 = 273723049
BaseRepresentation
bin1101101011011…
…0010110000000
310222221200211020
43122312112000
5104141314414
65405345440
71264431300
oct332662600
9128850736
1057369984
112a424a11
1217268280
13bb68b49
147895600
1550837a9
hex36b6580

57369984 has 96 divisors (see below), whose sum is σ = 177327000. Its totient is φ = 16386048.

The previous prime is 57369973. The next prime is 57369989. The reversal of 57369984 is 48996375.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57369989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17292 + ... + 20340.

Almost surely, 257369984 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 57369984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88663500).

57369984 is an abundant number, since it is smaller than the sum of its proper divisors (119957016).

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

57369984 is a wasteful number, since it uses less digits than its factorization.

57369984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080 (or 3061 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 57369984 is about 7574.2975911962. The cubic root of 57369984 is about 385.6809985775.

The spelling of 57369984 in words is "fifty-seven million, three hundred sixty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 294 336 384 392 448 588 672 784 896 1176 1344 1568 2352 2688 3049 3136 4704 6098 6272 9147 9408 12196 18294 18816 21343 24392 36588 42686 48784 64029 73176 85372 97568 128058 146352 149401 170744 195136 256116 292704 298802 341488 390272 448203 512232 585408 597604 682976 896406 1024464 1170816 1195208 1365952 1792812 2048928 2390416 2731904 3585624 4097856 4780832 7171248 8195712 9561664 14342496 19123328 28684992 57369984