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23440868 = 22112232389
BaseRepresentation
bin101100101101…
…0110111100100
31122002220211022
41121122313210
522000101433
62154230312
7403146503
oct131326744
948086738
1023440868
1112260520
127a25398
134b19649
14318283a
1520d0698
hex165ade4

23440868 has 24 divisors (see below), whose sum is σ = 44970240. Its totient is φ = 10602720.

The previous prime is 23440861. The next prime is 23440871. The reversal of 23440868 is 86804432.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23440861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8618 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (1873760).

Almost surely, 223440868 is an apocalyptic number.

It is an amenable number.

23440868 is a deficient number, since it is larger than the sum of its proper divisors (21529372).

23440868 is a wasteful number, since it uses less digits than its factorization.

23440868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627 (or 2625 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 23440868 is about 4841.5770158080. The cubic root of 23440868 is about 286.1922680620.

The spelling of 23440868 in words is "twenty-three million, four hundred forty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 44 223 446 892 2389 2453 4778 4906 9556 9812 26279 52558 105116 532747 1065494 2130988 5860217 11720434 23440868