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23000230 = 2511239091
BaseRepresentation
bin101011110111…
…1010010100110
31121021112101101
41113233102212
521342001410
62140550314
7366333031
oct127572246
947245341
1023000230
1111a8a460
12785239a
1349c3c06
1430aa018
152044d3a
hex15ef4a6

23000230 has 32 divisors (see below), whose sum is σ = 47132928. Its totient is φ = 7999200.

The previous prime is 23000189. The next prime is 23000261. The reversal of 23000230 is 3200032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (1472904).

Almost surely, 223000230 is an apocalyptic number.

23000230 is an abundant number, since it is smaller than the sum of its proper divisors (24132698).

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

23000230 is a wasteful number, since it uses less digits than its factorization.

23000230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 23000230 is about 4795.8555024104. The cubic root of 23000230 is about 284.3876459377.

Adding to 23000230 its reverse (3200032), we get a palindrome (26200262).

It can be divided in two parts, 230002 and 30, that added together give a palindrome (230032).

The spelling of 23000230 in words is "twenty-three million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 9091 18182 45455 90910 100001 200002 209093 418186 500005 1000010 1045465 2090930 2300023 4600046 11500115 23000230