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23924 = 225981
BaseRepresentation
bin101110101110100
31012211002
411311310
51231144
6302432
7126515
oct56564
935732
1023924
1116a7a
1211a18
13ab74
148a0c
15714e
hex5d74

23924 has 6 divisors (see below), whose sum is σ = 41874. Its totient is φ = 11960.

The previous prime is 23917. The next prime is 23929. The reversal of 23924 is 42932.

It can be written as a sum of positive squares in only one way, i.e., 13924 + 10000 = 118^2 + 100^2 .

It is a d-powerful number, because it can be written as 23 + 39 + 9 + 27 + 46 .

It is a junction number, because it is equal to n+sod(n) for n = 23896 and 23905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23929) by changing a digit.

23924 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, 2987 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (6979).

223924 is an apocalyptic number.

It is an amenable number.

23924 is a deficient number, since it is larger than the sum of its proper divisors (17950).

23924 is a wasteful number, since it uses less digits than its factorization.

23924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5985 (or 5983 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 23924 is about 154.6738504079. The cubic root of 23924 is about 28.8145117195.

The spelling of 23924 in words is "twenty-three thousand, nine hundred twenty-four".

Divisors: 1 2 4 5981 11962 23924