Base | Representation |
---|---|
bin | 101101011001… |
… | …1110110111001 |
3 | 1122210102211100 |
4 | 1122303312321 |
5 | 22043232434 |
6 | 2210122013 |
7 | 406225260 |
oct | 132636671 |
9 | 48712740 |
10 | 23805369 |
11 | 1248a365 |
12 | 7b80309 |
13 | 4c16523 |
14 | 32395d7 |
15 | 2153699 |
hex | 16b3db9 |
23805369 has 24 divisors (see below), whose sum is σ = 39440960. Its totient is φ = 13553568.
The previous prime is 23805361. The next prime is 23805403. The reversal of 23805369 is 96350832.
It is not a de Polignac number, because 23805369 - 23 = 23805361 is a prime.
It is a super-2 number, since 2×238053692 = 1133391186452322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23805361) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23379 + ... + 24375.
Almost surely, 223805369 is an apocalyptic number.
It is an amenable number.
23805369 is a deficient number, since it is larger than the sum of its proper divisors (15635591).
23805369 is a wasteful number, since it uses less digits than its factorization.
23805369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1389 (or 1386 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 23805369 is about 4879.0746048815. The cubic root of 23805369 is about 287.6680565018.
The spelling of 23805369 in words is "twenty-three million, eight hundred five thousand, three hundred sixty-nine".
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