Base | Representation |
---|---|
bin | 101101101000… |
… | …0110011010101 |
3 | 1200000110110022 |
4 | 1123100303111 |
5 | 22111031200 |
6 | 2212434525 |
7 | 410231024 |
oct | 133206325 |
9 | 50013408 |
10 | 23923925 |
11 | 12560443 |
12 | 8018a45 |
13 | 4c5848c |
14 | 326a8bb |
15 | 2178885 |
hex | 16d0cd5 |
23923925 has 12 divisors (see below), whose sum is σ = 30074340. Its totient is φ = 18875520.
The previous prime is 23923903. The next prime is 23923931. The reversal of 23923925 is 52932932.
It can be written as a sum of positive squares in 6 ways, for example, as 662596 + 23261329 = 814^2 + 4823^2 .
It is a de Polignac number, because none of the positive numbers 2k-23923925 is a prime.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 4730 + ... + 8379.
It is an arithmetic number, because the mean of its divisors is an integer number (2506195).
Almost surely, 223923925 is an apocalyptic number.
23923925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23923925 is a deficient number, since it is larger than the sum of its proper divisors (6150415).
23923925 is a wasteful number, since it uses less digits than its factorization.
23923925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13192 (or 13187 counting only the distinct ones).
The product of its digits is 29160, while the sum is 35.
The square root of 23923925 is about 4891.2089507605. The cubic root of 23923925 is about 288.1448160904.
The spelling of 23923925 in words is "twenty-three million, nine hundred twenty-three thousand, nine hundred twenty-five".
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