Base | Representation |
---|---|
bin | 110010110110… |
… | …110101110001 |
3 | 221002022211022 |
4 | 302312311301 |
5 | 11403104300 |
6 | 1153425225 |
7 | 221214203 |
oct | 62666561 |
9 | 27068738 |
10 | 13331825 |
11 | 7586441 |
12 | 456b215 |
13 | 29ba270 |
14 | 1ab0773 |
15 | 1285285 |
hex | cb6d71 |
13331825 has 48 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 8709120.
The previous prime is 13331821. The next prime is 13331831. The reversal of 13331825 is 52813331.
It is not a de Polignac number, because 13331825 - 22 = 13331821 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13331794 and 13331803.
It is not an unprimeable number, because it can be changed into a prime (13331821) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104912 + ... + 105038.
It is an arithmetic number, because the mean of its divisors is an integer number (416640).
Almost surely, 213331825 is an apocalyptic number.
It is an amenable number.
13331825 is a deficient number, since it is larger than the sum of its proper divisors (6666895).
13331825 is a wasteful number, since it uses less digits than its factorization.
13331825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186 (or 181 counting only the distinct ones).
The product of its digits is 2160, while the sum is 26.
The square root of 13331825 is about 3651.2771738119. The cubic root of 13331825 is about 237.1172783276.
The spelling of 13331825 in words is "thirteen million, three hundred thirty-one thousand, eight hundred twenty-five".
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