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57755427 = 319251809
BaseRepresentation
bin1101110001010…
…0011100100011
311000200021112220
43130110130203
5104241133202
65421522123
71300625112
oct334243443
9130607486
1057755427
112a668564
1217413343
13bc72412
147955c79
15510cabc
hex3714723

57755427 has 4 divisors (see below), whose sum is σ = 77007240. Its totient is φ = 38503616.

The previous prime is 57755377. The next prime is 57755437. The reversal of 57755427 is 72455775.

57755427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57755427 - 26 = 57755363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57755437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9625902 + ... + 9625907.

It is an arithmetic number, because the mean of its divisors is an integer number (19251810).

Almost surely, 257755427 is an apocalyptic number.

57755427 is a deficient number, since it is larger than the sum of its proper divisors (19251813).

57755427 is a wasteful number, since it uses less digits than its factorization.

57755427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19251812.

The product of its digits is 343000, while the sum is 42.

The square root of 57755427 is about 7599.6991387817. The cubic root of 57755427 is about 386.5428101953.

The spelling of 57755427 in words is "fifty-seven million, seven hundred fifty-five thousand, four hundred twenty-seven".

Divisors: 1 3 19251809 57755427