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23995230 = 2357163701
BaseRepresentation
bin101101110001…
…0001101011110
31200011002021020
41123202031132
522120321410
62214145010
7410645640
oct133421536
950132236
1023995230
11125a9a76
128052166
134c81a7c
143288890
15218ea70
hex16e235e

23995230 has 64 divisors (see below), whose sum is σ = 66313728. Its totient is φ = 5443200.

The previous prime is 23995229. The next prime is 23995243. The reversal of 23995230 is 3259932.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23995191 and 23995200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33880 + ... + 34580.

It is an arithmetic number, because the mean of its divisors is an integer number (1036152).

Almost surely, 223995230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23995230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33156864).

23995230 is an abundant number, since it is smaller than the sum of its proper divisors (42318498).

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

23995230 is a wasteful number, since it uses less digits than its factorization.

23995230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 23995230 is about 4898.4926252879. The cubic root of 23995230 is about 288.4308029885.

The spelling of 23995230 in words is "twenty-three million, nine hundred ninety-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 163 210 326 489 701 815 978 1141 1402 1630 2103 2282 2445 3423 3505 4206 4890 4907 5705 6846 7010 9814 10515 11410 14721 17115 21030 24535 29442 34230 49070 73605 114263 147210 228526 342789 571315 685578 799841 1142630 1599682 1713945 2399523 3427890 3999205 4799046 7998410 11997615 23995230