Base | Representation |
---|---|
bin | 101101001011… |
… | …1111010101101 |
3 | 1122120121211200 |
4 | 1122113322231 |
5 | 22031102200 |
6 | 2203440113 |
7 | 405240516 |
oct | 132277255 |
9 | 48517750 |
10 | 23690925 |
11 | 12411385 |
12 | 7b26039 |
13 | 4ba63cb |
14 | 3209a0d |
15 | 212e800 |
hex | 1697ead |
23690925 has 36 divisors (see below), whose sum is σ = 43059744. Its totient is φ = 12448800.
The previous prime is 23690923. The next prime is 23690959. The reversal of 23690925 is 52909632.
It is not a de Polignac number, because 23690925 - 21 = 23690923 is a prime.
It is a super-2 number, since 2×236909252 = 1122519854711250, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 23690925.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23690921) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15234 + ... + 16716.
It is an arithmetic number, because the mean of its divisors is an integer number (1196104).
Almost surely, 223690925 is an apocalyptic number.
23690925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23690925 is a deficient number, since it is larger than the sum of its proper divisors (19368819).
23690925 is a wasteful number, since it uses less digits than its factorization.
23690925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1570 (or 1562 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 36.
The square root of 23690925 is about 4867.3324316303. The cubic root of 23690925 is about 287.2063289871.
The spelling of 23690925 in words is "twenty-three million, six hundred ninety thousand, nine hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •