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57256883 = 77374071
BaseRepresentation
bin1101101001101…
…0101110110011
310222201221200022
43122122232303
5104124210013
65403114055
71263450455
oct332325663
9128657608
1057256883
112a357a42
121721292b
13bb29518
1478662d5
155060008
hex369abb3

57256883 has 4 divisors (see below), whose sum is σ = 57331728. Its totient is φ = 57182040.

The previous prime is 57256853. The next prime is 57256921. The reversal of 57256883 is 38865275.

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 57256883 - 26 = 57256819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57256813) 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, 36263 + ... + 37808.

It is an arithmetic number, because the mean of its divisors is an integer number (14332932).

Almost surely, 257256883 is an apocalyptic number.

57256883 is a deficient number, since it is larger than the sum of its proper divisors (74845).

57256883 is an equidigital number, since it uses as much as digits as its factorization.

57256883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74844.

The product of its digits is 403200, while the sum is 44.

The square root of 57256883 is about 7566.8278029832. The cubic root of 57256883 is about 385.4273839390.

The spelling of 57256883 in words is "fifty-seven million, two hundred fifty-six thousand, eight hundred eighty-three".

Divisors: 1 773 74071 57256883