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57590009 = 71098101
BaseRepresentation
bin1101101110110…
…0000011111001
311000100212122022
43123230003321
5104220340014
65414204225
71266335621
oct333540371
9130325568
1057590009
112a565254
1217353675
13bc15039
147911881
1550c8a8e
hex36ec0f9

57590009 has 4 divisors (see below), whose sum is σ = 57605220. Its totient is φ = 57574800.

The previous prime is 57589997. The next prime is 57590069. The reversal of 57590009 is 90009575.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 39100009 + 18490000 = 6253^2 + 4300^2 .

It is a cyclic number.

It is not a de Polignac number, because 57590009 - 216 = 57524473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57590069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059 + ... + 11159.

It is an arithmetic number, because the mean of its divisors is an integer number (14401305).

Almost surely, 257590009 is an apocalyptic number.

It is an amenable number.

57590009 is a deficient number, since it is larger than the sum of its proper divisors (15211).

57590009 is an equidigital number, since it uses as much as digits as its factorization.

57590009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210.

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 57590009 is about 7588.8081409402. The cubic root of 57590009 is about 386.1734233741.

The spelling of 57590009 in words is "fifty-seven million, five hundred ninety thousand, nine".

Divisors: 1 7109 8101 57590009