Base | Representation |
---|---|
bin | 101101001100… |
… | …0000010100110 |
3 | 1122120122112101 |
4 | 1122120002212 |
5 | 22031111210 |
6 | 2203442314 |
7 | 405242140 |
oct | 132300246 |
9 | 48518471 |
10 | 23691430 |
11 | 124117a4 |
12 | 7b2639a |
13 | 4ba66c9 |
14 | 3209c90 |
15 | 212ea3a |
hex | 16980a6 |
23691430 has 16 divisors (see below), whose sum is σ = 48736800. Its totient is φ = 8122752.
The previous prime is 23691427. The next prime is 23691443. The reversal of 23691430 is 3419632.
It is a super-2 number, since 2×236914302 = 1122567710889800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169155 + ... + 169294.
It is an arithmetic number, because the mean of its divisors is an integer number (3046050).
Almost surely, 223691430 is an apocalyptic number.
23691430 is an abundant number, since it is smaller than the sum of its proper divisors (25045370).
23691430 is a wasteful number, since it uses less digits than its factorization.
23691430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338463.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 23691430 is about 4867.3843078187. The cubic root of 23691430 is about 287.2083696865.
The spelling of 23691430 in words is "twenty-three million, six hundred ninety-one thousand, four hundred thirty".
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