Base | Representation |
---|---|
bin | 101101001110… |
… | …1001000100000 |
3 | 1122121201010220 |
4 | 1122131020200 |
5 | 22032243123 |
6 | 2204123040 |
7 | 405360015 |
oct | 132351040 |
9 | 48551126 |
10 | 23712288 |
11 | 12426436 |
12 | 7b36480 |
13 | 4bb3052 |
14 | 321370c |
15 | 2135ce3 |
hex | 169d220 |
23712288 has 48 divisors (see below), whose sum is σ = 62727840. Its totient is φ = 7842816.
The previous prime is 23712257. The next prime is 23712313. The reversal of 23712288 is 88221732.
It is a tau number, because it is divible by the number of its divisors (48).
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, 12456 + ... + 14232.
It is an arithmetic number, because the mean of its divisors is an integer number (1306830).
Almost surely, 223712288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23712288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31363920).
23712288 is an abundant number, since it is smaller than the sum of its proper divisors (39015552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23712288 is a wasteful number, since it uses less digits than its factorization.
23712288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1929 (or 1921 counting only the distinct ones).
The product of its digits is 10752, while the sum is 33.
The square root of 23712288 is about 4869.5264656843. The cubic root of 23712288 is about 287.2926313089.
The spelling of 23712288 in words is "twenty-three million, seven hundred twelve thousand, two hundred eighty-eight".
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