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57324492 = 22321639769
BaseRepresentation
bin1101101010101…
…1001111001100
310222212101102100
43122223033030
5104133340432
65404355100
71264151541
oct332531714
9128771370
1057324492
112a3a3815
1217245a90
13bb51224
147882bc8
15507507c
hex36ab3cc

57324492 has 36 divisors (see below), whose sum is σ = 145807480. Its totient is φ = 18988992.

The previous prime is 57324481. The next prime is 57324497. The reversal of 57324492 is 29442375.

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 (57324497) 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, 984 + ... + 10752.

Almost surely, 257324492 is an apocalyptic number.

It is an amenable number.

57324492 is an abundant number, since it is smaller than the sum of its proper divisors (88482988).

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

57324492 is a wasteful number, since it uses less digits than its factorization.

57324492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942 (or 9937 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 57324492 is about 7571.2939448948. The cubic root of 57324492 is about 385.5790286483.

The spelling of 57324492 in words is "fifty-seven million, three hundred twenty-four thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 163 326 489 652 978 1467 1956 2934 5868 9769 19538 29307 39076 58614 87921 117228 175842 351684 1592347 3184694 4777041 6369388 9554082 14331123 19108164 28662246 57324492