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57363287 = 173374311
BaseRepresentation
bin1101101011010…
…0101101010111
310222221100122012
43122310231113
5104141111122
65405254435
71264402622
oct332645527
9128840565
1057363287
112a41a983
121726441b
13bb65a97
147892db9
1550817e2
hex36b4b57

57363287 has 4 divisors (see below), whose sum is σ = 60737616. Its totient is φ = 53988960.

The previous prime is 57363277. The next prime is 57363307. The reversal of 57363287 is 78236375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57363287 - 212 = 57359191 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 (57363217) 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, 1687139 + ... + 1687172.

It is an arithmetic number, because the mean of its divisors is an integer number (15184404).

Almost surely, 257363287 is an apocalyptic number.

57363287 is a deficient number, since it is larger than the sum of its proper divisors (3374329).

57363287 is a wasteful number, since it uses less digits than its factorization.

57363287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374328.

The product of its digits is 211680, while the sum is 41.

The square root of 57363287 is about 7573.8554910957. The cubic root of 57363287 is about 385.6659906937.

The spelling of 57363287 in words is "fifty-seven million, three hundred sixty-three thousand, two hundred eighty-seven".

Divisors: 1 17 3374311 57363287