Base | Representation |
---|---|
bin | 110000110111… |
… | …000011101001 |
3 | 220002201212010 |
4 | 300313003221 |
5 | 11234332200 |
6 | 1134310133 |
7 | 213604230 |
oct | 60670351 |
9 | 26081763 |
10 | 12808425 |
11 | 7259183 |
12 | 4358349 |
13 | 2865c66 |
14 | 19b5b17 |
15 | 11d0150 |
hex | c370e9 |
12808425 has 48 divisors (see below), whose sum is σ = 25014272. Its totient is φ = 5659200.
The previous prime is 12808387. The next prime is 12808469. The reversal of 12808425 is 52480821.
12808425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12808425 - 219 = 12284137 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12808392 and 12808401.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15882 + ... + 16668.
Almost surely, 212808425 is an apocalyptic number.
12808425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12808425 is a deficient number, since it is larger than the sum of its proper divisors (12205847).
12808425 is a wasteful number, since it uses less digits than its factorization.
12808425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 838 (or 833 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 12808425 is about 3578.8859998609. The cubic root of 12808425 is about 233.9727304039.
The spelling of 12808425 in words is "twelve million, eight hundred eight thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •