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57980589 = 319326863
BaseRepresentation
bin1101110100101…
…1011010101101
311001002201102020
43131023122231
5104320334324
65430420353
71302553422
oct335133255
9131081366
1057980589
112a801747
12175016b9
13c020a54
1479b3d49
155154679
hex374b6ad

57980589 has 4 divisors (see below), whose sum is σ = 77307456. Its totient is φ = 38653724.

The previous prime is 57980581. The next prime is 57980597. The reversal of 57980589 is 98508975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (57980581) and next prime (57980597).

It is a cyclic number.

It is not a de Polignac number, because 57980589 - 23 = 57980581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57980581) 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, 9663429 + ... + 9663434.

It is an arithmetic number, because the mean of its divisors is an integer number (19326864).

Almost surely, 257980589 is an apocalyptic number.

It is an amenable number.

57980589 is a deficient number, since it is larger than the sum of its proper divisors (19326867).

57980589 is a wasteful number, since it uses less digits than its factorization.

57980589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19326866.

The product of its (nonzero) digits is 907200, while the sum is 51.

The square root of 57980589 is about 7614.4986046358. The cubic root of 57980589 is about 387.0444767236.

The spelling of 57980589 in words is "fifty-seven million, nine hundred eighty thousand, five hundred eighty-nine".

Divisors: 1 3 19326863 57980589