Base | Representation |
---|---|
bin | 101101011010… |
… | …0010010011000 |
3 | 1122210112020111 |
4 | 1122310102120 |
5 | 22043312003 |
6 | 2210134104 |
7 | 406233352 |
oct | 132642230 |
9 | 48715214 |
10 | 23807128 |
11 | 12490714 |
12 | 7b81334 |
13 | 4c17277 |
14 | 323a0d2 |
15 | 2153e6d |
hex | 16b4498 |
23807128 has 16 divisors (see below), whose sum is σ = 44914680. Its totient is φ = 11829888.
The previous prime is 23807087. The next prime is 23807131. The reversal of 23807128 is 82170832.
It is a self number, because there is not a number n which added to its sum of digits gives 23807128.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7825 + ... + 10432.
Almost surely, 223807128 is an apocalyptic number.
It is an amenable number.
23807128 is a deficient number, since it is larger than the sum of its proper divisors (21107552).
23807128 is a wasteful number, since it uses less digits than its factorization.
23807128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18426 (or 18422 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 23807128 is about 4879.2548611443. The cubic root of 23807128 is about 287.6751416772.
The spelling of 23807128 in words is "twenty-three million, eight hundred seven thousand, one hundred twenty-eight".
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