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23030252 = 2271077687
BaseRepresentation
bin101011111011…
…0100111101100
31121100001120022
41113312213230
521343432002
62141341312
7366516410
oct127664754
947301508
1023030252
1111aaaa73
127867838
134a0478b
1430b6d40
15204dba2
hex15f69ec

23030252 has 24 divisors (see below), whose sum is σ = 46497024. Its totient is φ = 9776592.

The previous prime is 23030251. The next prime is 23030281. The reversal of 23030252 is 25203032.

It is a self number, because there is not a number n which added to its sum of digits gives 23030252.

It is not an unprimeable number, because it can be changed into a prime (23030251) 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, 848 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (1937376).

Almost surely, 223030252 is an apocalyptic number.

It is an amenable number.

23030252 is an abundant number, since it is smaller than the sum of its proper divisors (23466772).

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

23030252 is a wasteful number, since it uses less digits than its factorization.

23030252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805 (or 7803 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23030252 is about 4798.9844759074. The cubic root of 23030252 is about 284.5113283789.

Adding to 23030252 its reverse (25203032), we get a palindrome (48233284).

The spelling of 23030252 in words is "twenty-three million, thirty thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 107 214 428 749 1498 2996 7687 15374 30748 53809 107618 215236 822509 1645018 3290036 5757563 11515126 23030252