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23230254 = 2312912999
BaseRepresentation
bin101100010011…
…1011100101110
31121201012220210
41120213130232
521421332004
62145523250
7401311455
oct130473456
947635823
1023230254
1112127263
127943526
134a74818
143129b9c
15208d089
hex162772e

23230254 has 16 divisors (see below), whose sum is σ = 46512000. Its totient is φ = 7734840.

The previous prime is 23230243. The next prime is 23230261. The reversal of 23230254 is 45203232.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23230254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6247 + ... + 9245.

It is an arithmetic number, because the mean of its divisors is an integer number (2907000).

Almost surely, 223230254 is an apocalyptic number.

23230254 is an abundant number, since it is smaller than the sum of its proper divisors (23281746).

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

23230254 is a wasteful number, since it uses less digits than its factorization.

23230254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23230254 is about 4819.7773807511. Note that the first 3 decimals coincide. The cubic root of 23230254 is about 285.3325511789.

Adding to 23230254 its reverse (45203232), we get a palindrome (68433486).

The spelling of 23230254 in words is "twenty-three million, two hundred thirty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 1291 2582 2999 3873 5998 7746 8997 17994 3871709 7743418 11615127 23230254