Base | Representation |
---|---|
bin | 101100001110… |
… | …1100101000001 |
3 | 1121122011110102 |
4 | 1120131211001 |
5 | 21414033300 |
6 | 2145012145 |
7 | 401052551 |
oct | 130354501 |
9 | 47564412 |
10 | 23189825 |
11 | 120a994a |
12 | 7924055 |
13 | 4a5c2b9 |
14 | 3119161 |
15 | 20810d5 |
hex | 161d941 |
23189825 has 12 divisors (see below), whose sum is σ = 28950528. Its totient is φ = 18426000.
The previous prime is 23189801. The next prime is 23189833. The reversal of 23189825 is 52898132.
It is not a de Polignac number, because 23189825 - 214 = 23173441 is a prime.
It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 704 + ... + 6846.
It is an arithmetic number, because the mean of its divisors is an integer number (2412544).
Almost surely, 223189825 is an apocalyptic number.
23189825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23189825 is a deficient number, since it is larger than the sum of its proper divisors (5760703).
23189825 is a wasteful number, since it uses less digits than its factorization.
23189825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6304 (or 6299 counting only the distinct ones).
The product of its digits is 34560, while the sum is 38.
The square root of 23189825 is about 4815.5814809844. The cubic root of 23189825 is about 285.1669279607.
The spelling of 23189825 in words is "twenty-three million, one hundred eighty-nine thousand, eight hundred twenty-five".
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