Base | Representation |
---|---|
bin | 101101001001… |
… | …0101010111110 |
3 | 1122112112100212 |
4 | 1122102222332 |
5 | 22024410223 |
6 | 2203152422 |
7 | 405121052 |
oct | 132225276 |
9 | 48475325 |
10 | 23669438 |
11 | 123a7221 |
12 | 7b15712 |
13 | 4b996b0 |
14 | 3201c62 |
15 | 2128278 |
hex | 1692abe |
23669438 has 16 divisors (see below), whose sum is σ = 39898656. Its totient is φ = 10449120.
The previous prime is 23669417. The next prime is 23669449. The reversal of 23669438 is 83496632.
It is a junction number, because it is equal to n+sod(n) for n = 23669395 and 23669404.
It is a congruent number.
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, 19193 + ... + 20388.
It is an arithmetic number, because the mean of its divisors is an integer number (2493666).
Almost surely, 223669438 is an apocalyptic number.
23669438 is a deficient number, since it is larger than the sum of its proper divisors (16229218).
23669438 is a wasteful number, since it uses less digits than its factorization.
23669438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39619.
The product of its digits is 186624, while the sum is 41.
The square root of 23669438 is about 4865.1246643843. The cubic root of 23669438 is about 287.1194733799.
The spelling of 23669438 in words is "twenty-three million, six hundred sixty-nine thousand, four hundred thirty-eight".
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