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57382166 = 2191510057
BaseRepresentation
bin1101101011100…
…1010100010110
310222222022112102
43122321110112
5104142212131
65405522102
71264511642
oct332712426
9128868472
1057382166
112a433086
1217273332
13bb7155a
147899c22
1550871cb
hex36b9516

57382166 has 8 divisors (see below), whose sum is σ = 90603480. Its totient is φ = 27181008.

The previous prime is 57382139. The next prime is 57382177. The reversal of 57382166 is 66128375.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1510057 = 57382166 / (5 + 7 + 3 + 8 + 2 + 1 + 6 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754991 + ... + 755066.

It is an arithmetic number, because the mean of its divisors is an integer number (11325435).

Almost surely, 257382166 is an apocalyptic number.

57382166 is a deficient number, since it is larger than the sum of its proper divisors (33221314).

57382166 is a wasteful number, since it uses less digits than its factorization.

57382166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510078.

The product of its digits is 60480, while the sum is 38.

The square root of 57382166 is about 7575.1017154887. The cubic root of 57382166 is about 385.7082952757.

The spelling of 57382166 in words is "fifty-seven million, three hundred eighty-two thousand, one hundred sixty-six".

Divisors: 1 2 19 38 1510057 3020114 28691083 57382166