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57258384 = 2431192883
BaseRepresentation
bin1101101001101…
…1000110010000
310222202000201220
43122123012100
5104124232014
65403125040
71263455031
oct332330620
9128660656
1057258384
112a359087
1217213780
13bb2a101
147866a88
1550606a9
hex369b190

57258384 has 20 divisors (see below), whose sum is σ = 147917616. Its totient is φ = 19086112.

The previous prime is 57258373. The next prime is 57258449. The reversal of 57258384 is 48385275.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596394 + ... + 596489.

Almost surely, 257258384 is an apocalyptic number.

It is an amenable number.

57258384 is an abundant number, since it is smaller than the sum of its proper divisors (90659232).

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

57258384 is a wasteful number, since it uses less digits than its factorization.

57258384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192894 (or 1192888 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 57258384 is about 7566.9269852431. The cubic root of 57258384 is about 385.4307519268.

The spelling of 57258384 in words is "fifty-seven million, two hundred fifty-eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1192883 2385766 3578649 4771532 7157298 9543064 14314596 19086128 28629192 57258384