Base | Representation |
---|---|
bin | 101011110111… |
… | …1010001001000 |
3 | 1121021112020220 |
4 | 1113233101020 |
5 | 21342001021 |
6 | 2140550040 |
7 | 366332535 |
oct | 127572110 |
9 | 47245226 |
10 | 23000136 |
11 | 11a8a385 |
12 | 7852320 |
13 | 49c3b63 |
14 | 30a9d8c |
15 | 2044cc6 |
hex | 15ef448 |
23000136 has 16 divisors (see below), whose sum is σ = 57500400. Its totient is φ = 7666704.
The previous prime is 23000123. The next prime is 23000137. The reversal of 23000136 is 63100032.
It is not an unprimeable number, because it can be changed into a prime (23000137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479146 + ... + 479193.
It is an arithmetic number, because the mean of its divisors is an integer number (3593775).
Almost surely, 223000136 is an apocalyptic number.
It is an amenable number.
23000136 is an abundant number, since it is smaller than the sum of its proper divisors (34500264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23000136 is a wasteful number, since it uses less digits than its factorization.
23000136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 958348 (or 958344 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 23000136 is about 4795.8457022719. The cubic root of 23000136 is about 284.3872585144.
Adding to 23000136 its reverse (63100032), we get a palindrome (86100168).
The spelling of 23000136 in words is "twenty-three million, one hundred thirty-six", and thus it is an aban number.
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