Base | Representation |
---|---|
bin | 101101011100… |
… | …1011110100001 |
3 | 1122211121101210 |
4 | 1122321132201 |
5 | 22100002020 |
6 | 2210420333 |
7 | 406352340 |
oct | 132713641 |
9 | 48747353 |
10 | 23828385 |
11 | 124a5689 |
12 | 7b916a9 |
13 | 4c23b49 |
14 | 3243b57 |
15 | 215a3e0 |
hex | 16b97a1 |
23828385 has 16 divisors (see below), whose sum is σ = 43572096. Its totient is φ = 10892928.
The previous prime is 23828383. The next prime is 23828411. The reversal of 23828385 is 58382832.
It is not a de Polignac number, because 23828385 - 21 = 23828383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23828383) 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, 113364 + ... + 113573.
It is an arithmetic number, because the mean of its divisors is an integer number (2723256).
Almost surely, 223828385 is an apocalyptic number.
It is an amenable number.
23828385 is a deficient number, since it is larger than the sum of its proper divisors (19743711).
23828385 is a wasteful number, since it uses less digits than its factorization.
23828385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226952.
The product of its digits is 92160, while the sum is 39.
The square root of 23828385 is about 4881.4326790400. The cubic root of 23828385 is about 287.7607363692.
The spelling of 23828385 in words is "twenty-three million, eight hundred twenty-eight thousand, three hundred eighty-five".
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