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23224 = 232903
BaseRepresentation
bin101101010111000
31011212011
411222320
51220344
6255304
7124465
oct55270
934764
1023224
11164a3
1211534
13a756
14866c
156d34
hex5ab8

23224 has 8 divisors (see below), whose sum is σ = 43560. Its totient is φ = 11608.

The previous prime is 23209. The next prime is 23227. The reversal of 23224 is 42232.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23227) by changing a digit.

23224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (5445).

223224 is an apocalyptic number.

It is an amenable number.

23224 is a deficient number, since it is larger than the sum of its proper divisors (20336).

23224 is a wasteful number, since it uses less digits than its factorization.

23224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2905 counting only the distinct ones).

The product of its digits is 96, while the sum is 13.

The square root of 23224 is about 152.3942256124. The cubic root of 23224 is about 28.5306943338.

Adding to 23224 its reverse (42232), we get a palindrome (65456).

It can be divided in two parts, 232 and 24, that added together give a 8-th power (256 = 28).

The spelling of 23224 in words is "twenty-three thousand, two hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 8 2903 5806 11612 23224