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23024380 = 2252350053
BaseRepresentation
bin101011111010…
…1001011111100
31121022202111211
41113311023330
521343240010
62141254204
7366463321
oct127651374
947282454
1023024380
1111aa6615
127864364
134a01bc2
1430b4b48
15204c08a
hex15f52fc

23024380 has 24 divisors (see below), whose sum is σ = 50454432. Its totient is φ = 8809152.

The previous prime is 23024369. The next prime is 23024387. The reversal of 23024380 is 8342032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23024387) 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, 24567 + ... + 25486.

It is an arithmetic number, because the mean of its divisors is an integer number (2102268).

Almost surely, 223024380 is an apocalyptic number.

23024380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23024380 is an abundant number, since it is smaller than the sum of its proper divisors (27430052).

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

23024380 is a wasteful number, since it uses less digits than its factorization.

23024380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50085 (or 50083 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23024380 is about 4798.3726408023. The cubic root of 23024380 is about 284.4871458019.

The spelling of 23024380 in words is "twenty-three million, twenty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 50053 100106 200212 250265 500530 1001060 1151219 2302438 4604876 5756095 11512190 23024380