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23929230 = 2351361357
BaseRepresentation
bin101101101001…
…0000110001110
31200000201201210
41123102012032
522111213410
62212515250
7410252343
oct133220616
950021653
1023929230
1112564426
12801bb26
134c5aa10
14326c7ca
15217a220
hex16d218e

23929230 has 32 divisors (see below), whose sum is σ = 61848864. Its totient is φ = 5890176.

The previous prime is 23929207. The next prime is 23929231. The reversal of 23929230 is 3292932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23929231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30289 + ... + 31068.

It is an arithmetic number, because the mean of its divisors is an integer number (1932777).

Almost surely, 223929230 is an apocalyptic number.

23929230 is an abundant number, since it is smaller than the sum of its proper divisors (37919634).

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

23929230 is a wasteful number, since it uses less digits than its factorization.

23929230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61380.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 23929230 is about 4891.7512201665. The cubic root of 23929230 is about 288.1661126973.

The spelling of 23929230 in words is "twenty-three million, nine hundred twenty-nine thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 61357 122714 184071 306785 368142 613570 797641 920355 1595282 1840710 2392923 3988205 4785846 7976410 11964615 23929230