Base | Representation |
---|---|
bin | 101100010000… |
… | …0001010101111 |
3 | 1121122201000020 |
4 | 1120200022233 |
5 | 21414403211 |
6 | 2145133223 |
7 | 401125512 |
oct | 130401257 |
9 | 47581006 |
10 | 23200431 |
11 | 12106911 |
12 | 792a213 |
13 | 4a64087 |
14 | 311cd79 |
15 | 2084306 |
hex | 16202af |
23200431 has 16 divisors (see below), whose sum is σ = 32302080. Its totient is φ = 14794560.
The previous prime is 23200421. The next prime is 23200433. The reversal of 23200431 is 13400232.
It is not a de Polignac number, because 23200431 - 26 = 23200367 is a prime.
It is a super-2 number, since 2×232004312 = 1076519997171522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23200431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23200433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6876 + ... + 9678.
It is an arithmetic number, because the mean of its divisors is an integer number (2018880).
Almost surely, 223200431 is an apocalyptic number.
23200431 is a deficient number, since it is larger than the sum of its proper divisors (9101649).
23200431 is a wasteful number, since it uses less digits than its factorization.
23200431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2926.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 23200431 is about 4816.6825720614. The cubic root of 23200431 is about 285.2103955802.
Adding to 23200431 its reverse (13400232), we get a palindrome (36600663).
The spelling of 23200431 in words is "twenty-three million, two hundred thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •