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23034912 = 253239947
BaseRepresentation
bin101011111011…
…1110000100000
31121100021221220
41113313300200
521344104122
62141415040
7366536115
oct127676040
947307856
1023034912
111200351a
12786a480
134a06934
1430b890c
15205025c
hex15f7c20

23034912 has 24 divisors (see below), whose sum is σ = 60466896. Its totient is φ = 7678272.

The previous prime is 23034911. The next prime is 23034919. The reversal of 23034912 is 21943032.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (23034911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119878 + ... + 120069.

It is an arithmetic number, because the mean of its divisors is an integer number (2519454).

Almost surely, 223034912 is an apocalyptic number.

It is an amenable number.

23034912 is an abundant number, since it is smaller than the sum of its proper divisors (37431984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23034912 is a wasteful number, since it uses less digits than its factorization.

23034912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239960 (or 239952 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 23034912 is about 4799.4699707364. The cubic root of 23034912 is about 284.5305166677.

Adding to 23034912 its reverse (21943032), we get a palindrome (44977944).

The spelling of 23034912 in words is "twenty-three million, thirty-four thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 239947 479894 719841 959788 1439682 1919576 2879364 3839152 5758728 7678304 11517456 23034912