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57036009 = 3139136777
BaseRepresentation
bin1101100110010…
…0110011101001
310222022201200210
43121210303221
5104100123014
65354251333
71261540512
oct331446351
9128281623
1057036009
112a216aa8
1217126b49
13ba7cb24
147809a09
155019859
hex3664ce9

57036009 has 8 divisors (see below), whose sum is σ = 76595680. Its totient is φ = 37750176.

The previous prime is 57035989. The next prime is 57036053. The reversal of 57036009 is 90063075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57036009 - 29 = 57035497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57036079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67972 + ... + 68805.

It is an arithmetic number, because the mean of its divisors is an integer number (9574460).

Almost surely, 257036009 is an apocalyptic number.

It is an amenable number.

57036009 is a deficient number, since it is larger than the sum of its proper divisors (19559671).

57036009 is a wasteful number, since it uses less digits than its factorization.

57036009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136919.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 57036009 is about 7552.2188130377. The cubic root of 57036009 is about 384.9311373998.

The spelling of 57036009 in words is "fifty-seven million, thirty-six thousand, nine".

Divisors: 1 3 139 417 136777 410331 19012003 57036009