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57384324 = 22324393631
BaseRepresentation
bin1101101011100…
…1110110000100
310222222102111100
43122321312010
5104142244244
65405540100
71264521144
oct332716604
9128872440
1057384324
112a434768
1217274630
13bb7252a
14789a924
155087b69
hex36b9d84

57384324 has 36 divisors (see below), whose sum is σ = 145425280. Its totient is φ = 19079280.

The previous prime is 57384323. The next prime is 57384331. The reversal of 57384324 is 42348375.

It is a happy number.

57384324 is a `hidden beast` number, since 573 + 84 + 3 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57384323) 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, 13989 + ... + 17619.

Almost surely, 257384324 is an apocalyptic number.

It is an amenable number.

57384324 is an abundant number, since it is smaller than the sum of its proper divisors (88040956).

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

57384324 is a wasteful number, since it uses less digits than its factorization.

57384324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080 (or 4075 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 57384324 is about 7575.2441544811. The cubic root of 57384324 is about 385.7131303904.

The spelling of 57384324 in words is "fifty-seven million, three hundred eighty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 439 878 1317 1756 2634 3631 3951 5268 7262 7902 10893 14524 15804 21786 32679 43572 65358 130716 1594009 3188018 4782027 6376036 9564054 14346081 19128108 28692162 57384324