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57375366 = 239562561
BaseRepresentation
bin1101101011011…
…1101010000110
310222221222012120
43122313222012
5104142002431
65405430410
71264453056
oct332675206
9128858176
1057375366
112a428a64
121726b406
13bb6b429
147897566
155085196
hex36b7a86

57375366 has 8 divisors (see below), whose sum is σ = 114750744. Its totient is φ = 19125120.

The previous prime is 57375361. The next prime is 57375397. The reversal of 57375366 is 66357375.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57375361) 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, 4781275 + ... + 4781286.

It is an arithmetic number, because the mean of its divisors is an integer number (14343843).

Almost surely, 257375366 is an apocalyptic number.

57375366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57375366 is a wasteful number, since it uses less digits than its factorization.

57375366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562566.

The product of its digits is 396900, while the sum is 42.

The square root of 57375366 is about 7574.6528633331. The cubic root of 57375366 is about 385.6930587182.

Subtracting 57375366 from its reverse (66357375), we obtain a square (8982009 = 29972).

The spelling of 57375366 in words is "fifty-seven million, three hundred seventy-five thousand, three hundred sixty-six".

Divisors: 1 2 3 6 9562561 19125122 28687683 57375366