Base | Representation |
---|---|
bin | 101011111010… |
… | …0111111001000 |
3 | 1121022201101110 |
4 | 1113310333020 |
5 | 21343223220 |
6 | 2141250320 |
7 | 366461040 |
oct | 127647710 |
9 | 47281343 |
10 | 23023560 |
11 | 11aa5a3a |
12 | 78639a0 |
13 | 4a01711 |
14 | 30b4720 |
15 | 204bbe0 |
hex | 15f4fc8 |
23023560 has 64 divisors (see below), whose sum is σ = 78940800. Its totient is φ = 5262336.
The previous prime is 23023547. The next prime is 23023603. The reversal of 23023560 is 6532032.
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 12865 + ... + 14544.
It is an arithmetic number, because the mean of its divisors is an integer number (1233450).
Almost surely, 223023560 is an apocalyptic number.
23023560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23023560 is an abundant number, since it is smaller than the sum of its proper divisors (55917240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23023560 is a wasteful number, since it uses less digits than its factorization.
23023560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27430 (or 27426 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 23023560 is about 4798.2871944059. The cubic root of 23023560 is about 284.4837684800.
Adding to 23023560 its reverse (6532032), we get a palindrome (29555592).
The spelling of 23023560 in words is "twenty-three million, twenty-three thousand, five hundred sixty".
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