Base | Representation |
---|---|
bin | 101100011110… |
… | …1011010010101 |
3 | 1121212210022121 |
4 | 1120331122111 |
5 | 21432221323 |
6 | 2151455541 |
7 | 402134650 |
oct | 130753225 |
9 | 47783277 |
10 | 23320213 |
11 | 12188904 |
12 | 79875b1 |
13 | 4aa6757 |
14 | 3150897 |
15 | 20a9a5d |
hex | 163d695 |
23320213 has 8 divisors (see below), whose sum is σ = 26787200. Its totient is φ = 19887120.
The previous prime is 23320181. The next prime is 23320237. The reversal of 23320213 is 31202332.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23320213 - 25 = 23320181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23320313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6978 + ... + 9763.
It is an arithmetic number, because the mean of its divisors is an integer number (3348400).
Almost surely, 223320213 is an apocalyptic number.
It is an amenable number.
23320213 is a deficient number, since it is larger than the sum of its proper divisors (3466987).
23320213 is a wasteful number, since it uses less digits than its factorization.
23320213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16947.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 23320213 is about 4829.1006409061. The cubic root of 23320213 is about 285.7003928840.
Adding to 23320213 its reverse (31202332), we get a palindrome (54522545).
The spelling of 23320213 in words is "twenty-three million, three hundred twenty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •