Base | Representation |
---|---|
bin | 101100001111… |
… | …1111000110101 |
3 | 1121122122102210 |
4 | 1120133320311 |
5 | 21414334120 |
6 | 2145124033 |
7 | 401122254 |
oct | 130377065 |
9 | 47578383 |
10 | 23199285 |
11 | 12105a6a |
12 | 7929619 |
13 | 4a636b5 |
14 | 311c79b |
15 | 2083ce0 |
hex | 161fe35 |
23199285 has 16 divisors (see below), whose sum is σ = 39072960. Its totient is φ = 11721600.
The previous prime is 23199283. The next prime is 23199287. The reversal of 23199285 is 58299132.
It is an interprime number because it is at equal distance from previous prime (23199283) and next prime (23199287).
It is not a de Polignac number, because 23199285 - 21 = 23199283 is a prime.
It is a super-2 number, since 2×231992852 = 1076413649022450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23199283) 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, 40416 + ... + 40985.
It is an arithmetic number, because the mean of its divisors is an integer number (2442060).
Almost surely, 223199285 is an apocalyptic number.
It is an amenable number.
23199285 is a deficient number, since it is larger than the sum of its proper divisors (15873675).
23199285 is a wasteful number, since it uses less digits than its factorization.
23199285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81428.
The product of its digits is 38880, while the sum is 39.
The square root of 23199285 is about 4816.5636090474. The cubic root of 23199285 is about 285.2056994534.
The spelling of 23199285 in words is "twenty-three million, one hundred ninety-nine thousand, two hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •