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23830868 = 2219330869
BaseRepresentation
bin101101011101…
…0000101010100
31122211201210202
41122322011110
522100041433
62210440032
7406362515
oct132720524
948751722
1023830868
11124a7536
127b93018
134c25009
143244a0c
15215aee8
hex16ba154

23830868 has 12 divisors (see below), whose sum is σ = 41921460. Its totient is φ = 11853312.

The previous prime is 23830861. The next prime is 23830897. The reversal of 23830868 is 86803832.

It can be written as a sum of positive squares in 2 ways, for example, as 3055504 + 20775364 = 1748^2 + 4558^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23830861) 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, 14663 + ... + 16206.

It is an arithmetic number, because the mean of its divisors is an integer number (3493455).

Almost surely, 223830868 is an apocalyptic number.

It is an amenable number.

23830868 is a deficient number, since it is larger than the sum of its proper divisors (18090592).

23830868 is a wasteful number, since it uses less digits than its factorization.

23830868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31066 (or 31064 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 23830868 is about 4881.6870034856. The cubic root of 23830868 is about 287.7707312428.

The spelling of 23830868 in words is "twenty-three million, eight hundred thirty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 193 386 772 30869 61738 123476 5957717 11915434 23830868