Base | Representation |
---|---|
bin | 110000110111… |
… | …000010000011 |
3 | 220002201201100 |
4 | 300313002003 |
5 | 11234331243 |
6 | 1134305443 |
7 | 213604023 |
oct | 60670203 |
9 | 26081640 |
10 | 12808323 |
11 | 72590a0 |
12 | 4358283 |
13 | 2865bb8 |
14 | 19b5a83 |
15 | 11d00d3 |
hex | c37083 |
12808323 has 24 divisors (see below), whose sum is σ = 20494656. Its totient is φ = 7642800.
The previous prime is 12808321. The next prime is 12808357. The reversal of 12808323 is 32380821.
It is not a de Polignac number, because 12808323 - 21 = 12808321 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12808321) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5668 + ... + 7598.
It is an arithmetic number, because the mean of its divisors is an integer number (853944).
Almost surely, 212808323 is an apocalyptic number.
12808323 is a deficient number, since it is larger than the sum of its proper divisors (7686333).
12808323 is a wasteful number, since it uses less digits than its factorization.
12808323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2015 (or 2012 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 12808323 is about 3578.8717495881. The cubic root of 12808323 is about 233.9721093210.
It can be divided in two parts, 12808 and 323, that added together give a palindrome (13131).
The spelling of 12808323 in words is "twelve million, eight hundred eight thousand, three hundred twenty-three".
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