Search a number
BaseRepresentation
bin101110000001100
31012022202
411300030
51223224
6301032
7125462
oct56014
935282
1023564
1116782
1211778
13a958
148832
156eae
hex5c0c

23564 has 12 divisors (see below), whose sum is σ = 42504. Its totient is φ = 11424.

The previous prime is 23563. The next prime is 23567. The reversal of 23564 is 46532.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (23561) 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, 104 + ... + 240.

It is an arithmetic number, because the mean of its divisors is an integer number (3542).

223564 is an apocalyptic number.

It is an amenable number.

23564 is a deficient number, since it is larger than the sum of its proper divisors (18940).

23564 is a wasteful number, since it uses less digits than its factorization.

23564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 182 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 23564 is about 153.5057002199. The cubic root of 23564 is about 28.6692504131.

The spelling of 23564 in words is "twenty-three thousand, five hundred sixty-four".

Divisors: 1 2 4 43 86 137 172 274 548 5891 11782 23564