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57158330 = 2510753419
BaseRepresentation
bin1101101000001…
…0101010111010
310222112221111012
43122002222322
5104113031310
65401033522
71262560235
oct332025272
9128487435
1057158330
112a29a999
12171858a2
13bac36c8
14783c41c
155040c05
hex3682aba

57158330 has 16 divisors (see below), whose sum is σ = 103848480. Its totient is φ = 22649232.

The previous prime is 57158293. The next prime is 57158347. The reversal of 57158330 is 3385175.

57158330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25640 + ... + 27779.

It is an arithmetic number, because the mean of its divisors is an integer number (6490530).

Almost surely, 257158330 is an apocalyptic number.

57158330 is a deficient number, since it is larger than the sum of its proper divisors (46690150).

57158330 is a wasteful number, since it uses less digits than its factorization.

57158330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53533.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 57158330 is about 7560.3128242157. The cubic root of 57158330 is about 385.2061188982.

The spelling of 57158330 in words is "fifty-seven million, one hundred fifty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 53419 106838 267095 534190 5715833 11431666 28579165 57158330