Search a number
-
+
57839125 = 53462713
BaseRepresentation
bin1101110010100…
…0111000010101
311000211112100211
43130220320111
5104301323000
65423405421
71301424121
oct334507025
9130745324
1057839125
112a715433
1217453871
13bca1546
147978581
1551277ba
hex3728e15

57839125 has 8 divisors (see below), whose sum is σ = 72183384. Its totient is φ = 46271200.

The previous prime is 57839113. The next prime is 57839129. The reversal of 57839125 is 52193875.

57839125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11135569 + 46703556 = 3337^2 + 6834^2 .

It is not a de Polignac number, because 57839125 - 223 = 49450517 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 (57839129) 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 7 ways as a sum of consecutive naturals, for example, 231232 + ... + 231481.

It is an arithmetic number, because the mean of its divisors is an integer number (9022923).

Almost surely, 257839125 is an apocalyptic number.

It is an amenable number.

57839125 is a deficient number, since it is larger than the sum of its proper divisors (14344259).

57839125 is an equidigital number, since it uses as much as digits as its factorization.

57839125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462728 (or 462718 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 57839125 is about 7605.2038105497. The cubic root of 57839125 is about 386.7294434175.

The spelling of 57839125 in words is "fifty-seven million, eight hundred thirty-nine thousand, one hundred twenty-five".

Divisors: 1 5 25 125 462713 2313565 11567825 57839125