Base | Representation |
---|---|
bin | 101101011001… |
… | …1100000010101 |
3 | 1122210100211212 |
4 | 1122303200111 |
5 | 22043211200 |
6 | 2210111205 |
7 | 406221125 |
oct | 132634025 |
9 | 48710755 |
10 | 23803925 |
11 | 12489272 |
12 | 7b7b505 |
13 | 4c15982 |
14 | 3238c85 |
15 | 2153035 |
hex | 16b3815 |
23803925 has 12 divisors (see below), whose sum is σ = 30535620. Its totient is φ = 18385920.
The previous prime is 23803909. The next prime is 23803931. The reversal of 23803925 is 52930832.
It can be written as a sum of positive squares in 6 ways, for example, as 77284 + 23726641 = 278^2 + 4871^2 .
It is not a de Polignac number, because 23803925 - 24 = 23803909 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23803891 and 23803900.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15692 + ... + 17141.
It is an arithmetic number, because the mean of its divisors is an integer number (2544635).
Almost surely, 223803925 is an apocalyptic number.
23803925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23803925 is a deficient number, since it is larger than the sum of its proper divisors (6731695).
23803925 is a wasteful number, since it uses less digits than its factorization.
23803925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32872 (or 32867 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 23803925 is about 4878.9266237565. The cubic root of 23803925 is about 287.6622398717.
The spelling of 23803925 in words is "twenty-three million, eight hundred three thousand, nine hundred twenty-five".
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