Base | Representation |
---|---|
bin | 101100000100… |
… | …0101011010111 |
3 | 1121110211000200 |
4 | 1120020223113 |
5 | 21403313330 |
6 | 2143111543 |
7 | 400245141 |
oct | 130105327 |
9 | 47424020 |
10 | 23104215 |
11 | 120505a2 |
12 | 78a25b3 |
13 | 4a2c344 |
14 | 30d5c91 |
15 | 2065a60 |
hex | 1608ad7 |
23104215 has 12 divisors (see below), whose sum is σ = 40047384. Its totient is φ = 12322224.
The previous prime is 23104187. The next prime is 23104217. The reversal of 23104215 is 51240132.
It is not a de Polignac number, because 23104215 - 210 = 23103191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23104217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256669 + ... + 256758.
It is an arithmetic number, because the mean of its divisors is an integer number (3337282).
Almost surely, 223104215 is an apocalyptic number.
23104215 is a deficient number, since it is larger than the sum of its proper divisors (16943169).
23104215 is a wasteful number, since it uses less digits than its factorization.
23104215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 513438 (or 513435 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 23104215 is about 4806.6844081966. The cubic root of 23104215 is about 284.8155778246.
Adding to 23104215 its reverse (51240132), we get a palindrome (74344347).
The spelling of 23104215 in words is "twenty-three million, one hundred four thousand, two hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •