Base | Representation |
---|---|
bin | 101100110011… |
… | …1101001111011 |
3 | 1122012120200010 |
4 | 1121213221323 |
5 | 22003240433 |
6 | 2155313003 |
7 | 403455264 |
oct | 131475173 |
9 | 48176603 |
10 | 23493243 |
11 | 12296904 |
12 | 7a4b763 |
13 | 4b37437 |
14 | 319796b |
15 | 20e0e63 |
hex | 1667a7b |
23493243 has 4 divisors (see below), whose sum is σ = 31324328. Its totient is φ = 15662160.
The previous prime is 23493229. The next prime is 23493247. The reversal of 23493243 is 34239432.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 23493243 - 213 = 23485051 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23493243.
It is not an unprimeable number, because it can be changed into a prime (23493247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3915538 + ... + 3915543.
It is an arithmetic number, because the mean of its divisors is an integer number (7831082).
Almost surely, 223493243 is an apocalyptic number.
23493243 is a deficient number, since it is larger than the sum of its proper divisors (7831085).
23493243 is an equidigital number, since it uses as much as digits as its factorization.
23493243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7831084.
The product of its digits is 15552, while the sum is 30.
The square root of 23493243 is about 4846.9828759755. The cubic root of 23493243 is about 286.4052603184.
The spelling of 23493243 in words is "twenty-three million, four hundred ninety-three thousand, two hundred forty-three".
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