Base | Representation |
---|---|
bin | 101100000100… |
… | …0101100000001 |
3 | 1121110211002020 |
4 | 1120020230001 |
5 | 21403314012 |
6 | 2143112053 |
7 | 400245231 |
oct | 130105401 |
9 | 47424066 |
10 | 23104257 |
11 | 12050630 |
12 | 78a2629 |
13 | 4a2c377 |
14 | 30d5cc1 |
15 | 2065a8c |
hex | 1608b01 |
23104257 has 8 divisors (see below), whose sum is σ = 33606240. Its totient is φ = 14002560.
The previous prime is 23104253. The next prime is 23104267. The reversal of 23104257 is 75240132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23104257 - 22 = 23104253 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (23104253) 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, 350032 + ... + 350097.
It is an arithmetic number, because the mean of its divisors is an integer number (4200780).
Almost surely, 223104257 is an apocalyptic number.
It is an amenable number.
23104257 is a deficient number, since it is larger than the sum of its proper divisors (10501983).
23104257 is a wasteful number, since it uses less digits than its factorization.
23104257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 700143.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 23104257 is about 4806.6887771105. The cubic root of 23104257 is about 284.8157504085.
Adding to 23104257 its reverse (75240132), we get a palindrome (98344389).
The spelling of 23104257 in words is "twenty-three million, one hundred four thousand, two hundred fifty-seven".
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