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57237925 = 5219111987
BaseRepresentation
bin1101101001011…
…0000110100101
310222200222200011
43122112012211
5104123103200
65402450221
71263341263
oct332260645
9128628604
1057237925
112a344778
1217203971
13bb209c4
14785d433
1550595ba
hex36961a5

57237925 has 12 divisors (see below), whose sum is σ = 71352576. Its totient is φ = 45546800.

The previous prime is 57237919. The next prime is 57237941. The reversal of 57237925 is 52973275.

57237925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57237925 - 27 = 57237797 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1219 + ... + 10768.

It is an arithmetic number, because the mean of its divisors is an integer number (5946048).

Almost surely, 257237925 is an apocalyptic number.

It is an amenable number.

57237925 is a deficient number, since it is larger than the sum of its proper divisors (14114651).

57237925 is a wasteful number, since it uses less digits than its factorization.

57237925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12188 (or 12183 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 57237925 is about 7565.5749946716. The cubic root of 57237925 is about 385.3848403555.

The spelling of 57237925 in words is "fifty-seven million, two hundred thirty-seven thousand, nine hundred twenty-five".

Divisors: 1 5 25 191 955 4775 11987 59935 299675 2289517 11447585 57237925