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57437 = 193023
BaseRepresentation
bin1110000001011101
32220210022
432001131
53314222
61121525
7326312
oct160135
986708
1057437
113a176
12292a5
13201b3
1416d09
1512042
hexe05d

57437 has 4 divisors (see below), whose sum is σ = 60480. Its totient is φ = 54396.

The previous prime is 57427. The next prime is 57457. The reversal of 57437 is 73475.

57437 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57437 - 26 = 57373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 57437.

It is not an unprimeable number, because it can be changed into a prime (57427) 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, 1493 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

257437 is an apocalyptic number.

It is an amenable number.

57437 is a deficient number, since it is larger than the sum of its proper divisors (3043).

57437 is a wasteful number, since it uses less digits than its factorization.

57437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042.

The product of its digits is 2940, while the sum is 26.

The square root of 57437 is about 239.6601760827. The cubic root of 57437 is about 38.5831116219.

It can be divided in two parts, 57 and 437, that added together give a palindrome (494).

The spelling of 57437 in words is "fifty-seven thousand, four hundred thirty-seven".

Divisors: 1 19 3023 57437