Base | Representation |
---|---|
bin | 101101010000… |
… | …0011110010000 |
3 | 1122122101220120 |
4 | 1122200132100 |
5 | 22033212333 |
6 | 2204310240 |
7 | 405444630 |
oct | 132403620 |
9 | 48571816 |
10 | 23725968 |
11 | 12435742 |
12 | 7b42380 |
13 | 4bb9346 |
14 | 32186c0 |
15 | 2139db3 |
hex | 16a0790 |
23725968 has 80 divisors (see below), whose sum is σ = 70578816. Its totient is φ = 6727680.
The previous prime is 23725939. The next prime is 23725969. The reversal of 23725968 is 86952732.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (23725969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80830 + ... + 81122.
Almost surely, 223725968 is an apocalyptic number.
23725968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23725968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35289408).
23725968 is an abundant number, since it is smaller than the sum of its proper divisors (46852848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23725968 is a wasteful number, since it uses less digits than its factorization.
23725968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552 (or 546 counting only the distinct ones).
The product of its digits is 181440, while the sum is 42.
The square root of 23725968 is about 4870.9309171862. The cubic root of 23725968 is about 287.3478685998.
The spelling of 23725968 in words is "twenty-three million, seven hundred twenty-five thousand, nine hundred sixty-eight".
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