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57267492 = 22317347809
BaseRepresentation
bin1101101001110…
…1010100100100
310222202111020020
43122131110210
5104130024432
65403235140
71263523422
oct332352444
9128674206
1057267492
112a364a07
1217218ab0
13bb312b9
14786a112
15506322c
hex369d524

57267492 has 48 divisors (see below), whose sum is σ = 142067520. Its totient is φ = 17892352.

The previous prime is 57267491. The next prime is 57267499. The reversal of 57267492 is 29476275.

57267492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57267491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70384 + ... + 71192.

It is an arithmetic number, because the mean of its divisors is an integer number (2959740).

Almost surely, 257267492 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 57267492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71033760).

57267492 is an abundant number, since it is smaller than the sum of its proper divisors (84800028).

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

57267492 is a wasteful number, since it uses less digits than its factorization.

57267492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 57267492 is about 7567.5287908273. The cubic root of 57267492 is about 385.4511874620.

The spelling of 57267492 in words is "fifty-seven million, two hundred sixty-seven thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 347 694 809 1041 1388 1618 2082 2427 3236 4164 4854 5899 9708 11798 13753 17697 23596 27506 35394 41259 55012 70788 82518 165036 280723 561446 842169 1122892 1684338 3368676 4772291 9544582 14316873 19089164 28633746 57267492