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57333072 = 2431194439
BaseRepresentation
bin1101101010110…
…1010101010000
310222212211012010
43122231111100
5104134124242
65404502520
71264215546
oct332552520
9128784163
1057333072
112a3aa205
121724aa40
13bb550c4
147885d96
15507789c
hex36ad550

57333072 has 20 divisors (see below), whose sum is σ = 148110560. Its totient is φ = 19111008.

The previous prime is 57333071. The next prime is 57333079. The reversal of 57333072 is 27033375.

57333072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×573330722 = 6574162289914368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57333071) 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 3 ways as a sum of consecutive naturals, for example, 597172 + ... + 597267.

It is an arithmetic number, because the mean of its divisors is an integer number (7405528).

Almost surely, 257333072 is an apocalyptic number.

It is an amenable number.

57333072 is an abundant number, since it is smaller than the sum of its proper divisors (90777488).

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

57333072 is a wasteful number, since it uses less digits than its factorization.

57333072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194450 (or 1194444 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 30.

The square root of 57333072 is about 7571.8605375429. The cubic root of 57333072 is about 385.5982647718.

The spelling of 57333072 in words is "fifty-seven million, three hundred thirty-three thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1194439 2388878 3583317 4777756 7166634 9555512 14333268 19111024 28666536 57333072