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57384125 = 53835531
BaseRepresentation
bin1101101011100…
…1110010111101
310222222102012222
43122321302331
5104142243000
65405535125
71264520441
oct332716275
9128872188
1057384125
112a4345a7
12172744a5
13bb72406
14789a821
155087a85
hex36b9cbd

57384125 has 16 divisors (see below), whose sum is σ = 72491328. Its totient is φ = 45346000.

The previous prime is 57384121. The next prime is 57384137. The reversal of 57384125 is 52148375.

It is a happy number.

It is not a de Polignac number, because 57384125 - 22 = 57384121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57384121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7610 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (4530708).

Almost surely, 257384125 is an apocalyptic number.

It is an amenable number.

57384125 is a deficient number, since it is larger than the sum of its proper divisors (15107203).

57384125 is an equidigital number, since it uses as much as digits as its factorization.

57384125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 5619 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 57384125 is about 7575.2310195795. The cubic root of 57384125 is about 385.7126845253.

The spelling of 57384125 in words is "fifty-seven million, three hundred eighty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 83 125 415 2075 5531 10375 27655 138275 459073 691375 2295365 11476825 57384125