Base | Representation |
---|---|
bin | 110010011101… |
… | …101001000000 |
3 | 220220002020110 |
4 | 302131221000 |
5 | 11341303413 |
6 | 1151311320 |
7 | 220304241 |
oct | 62355100 |
9 | 26802213 |
10 | 13228608 |
11 | 7515938 |
12 | 451b540 |
13 | 29822a3 |
14 | 1a84cc8 |
15 | 12648c3 |
hex | c9da40 |
13228608 has 28 divisors (see below), whose sum is σ = 35001200. Its totient is φ = 4409472.
The previous prime is 13228603. The next prime is 13228619. The reversal of 13228608 is 80682231.
It is not an unprimeable number, because it can be changed into a prime (13228603) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34258 + ... + 34641.
Almost surely, 213228608 is an apocalyptic number.
It is an amenable number.
13228608 is an abundant number, since it is smaller than the sum of its proper divisors (21772592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13228608 is an equidigital number, since it uses as much as digits as its factorization.
13228608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68914 (or 68904 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 13228608 is about 3637.1153404862. The cubic root of 13228608 is about 236.5037596972.
The spelling of 13228608 in words is "thirteen million, two hundred twenty-eight thousand, six hundred eight".
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