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57851142 = 239641857
BaseRepresentation
bin1101110010101…
…1110100000110
311000212010211220
43130223310012
5104302214032
65423541210
71301504136
oct334536406
9130763756
1057851142
112a723468
121745a806
13bca6b5b
14797cac6
15512b12c
hex372bd06

57851142 has 8 divisors (see below), whose sum is σ = 115702296. Its totient is φ = 19283712.

The previous prime is 57851111. The next prime is 57851149. The reversal of 57851142 is 24115875.

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

57851142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57851149) 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, 4820923 + ... + 4820934.

It is an arithmetic number, because the mean of its divisors is an integer number (14462787).

Almost surely, 257851142 is an apocalyptic number.

57851142 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.

57851142 is a wasteful number, since it uses less digits than its factorization.

57851142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641862.

The product of its digits is 11200, while the sum is 33.

The square root of 57851142 is about 7605.9938206654. The cubic root of 57851142 is about 386.7562246313.

The spelling of 57851142 in words is "fifty-seven million, eight hundred fifty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9641857 19283714 28925571 57851142