Base | Representation |
---|---|
bin | 101100000110… |
… | …1111011011101 |
3 | 1121111220112100 |
4 | 1120031323131 |
5 | 21410010400 |
6 | 2143355313 |
7 | 400364640 |
oct | 130157335 |
9 | 47456470 |
10 | 23125725 |
11 | 12065777 |
12 | 78b2b39 |
13 | 4a3907c |
14 | 30dda57 |
15 | 206c100 |
hex | 160dedd |
23125725 has 36 divisors (see below), whose sum is σ = 47341216. Its totient is φ = 10571040.
The previous prime is 23125691. The next prime is 23125733. The reversal of 23125725 is 52752132.
It is not a de Polignac number, because 23125725 - 28 = 23125469 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5767 + ... + 8916.
Almost surely, 223125725 is an apocalyptic number.
23125725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23125725 is an abundant number, since it is smaller than the sum of its proper divisors (24215491).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23125725 is a wasteful number, since it uses less digits than its factorization.
23125725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14706 (or 14698 counting only the distinct ones).
The product of its digits is 4200, while the sum is 27.
The square root of 23125725 is about 4808.9213967375. The cubic root of 23125725 is about 284.9039380775.
Adding to 23125725 its reverse (52752132), we get a palindrome (75877857).
The spelling of 23125725 in words is "twenty-three million, one hundred twenty-five thousand, seven hundred twenty-five".
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