Base | Representation |
---|---|
bin | 101100000100… |
… | …1100011110110 |
3 | 1121110222222120 |
4 | 1120021203312 |
5 | 21403422310 |
6 | 2143140410 |
7 | 400261524 |
oct | 130114366 |
9 | 47428876 |
10 | 23107830 |
11 | 12053289 |
12 | 78a4706 |
13 | 4a30b95 |
14 | 30d7314 |
15 | 2066b70 |
hex | 16098f6 |
23107830 has 16 divisors (see below), whose sum is σ = 55458864. Its totient is φ = 6162080.
The previous prime is 23107829. The next prime is 23107853. The reversal of 23107830 is 3870132.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 23107830.
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, 385101 + ... + 385160.
It is an arithmetic number, because the mean of its divisors is an integer number (3466179).
Almost surely, 223107830 is an apocalyptic number.
23107830 is an abundant number, since it is smaller than the sum of its proper divisors (32351034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23107830 is a wasteful number, since it uses less digits than its factorization.
23107830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 770271.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 23107830 is about 4807.0604323224. The cubic root of 23107830 is about 284.8304316023.
Adding to 23107830 its reverse (3870132), we get a palindrome (26977962).
The spelling of 23107830 in words is "twenty-three million, one hundred seven thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •