Base | Representation |
---|---|
bin | 110010011111… |
… | …111111010010 |
3 | 220220120102200 |
4 | 302133333102 |
5 | 11342110401 |
6 | 1151424030 |
7 | 220344261 |
oct | 62377722 |
9 | 26816380 |
10 | 13238226 |
11 | 7522091 |
12 | 4525016 |
13 | 2986791 |
14 | 1a885d8 |
15 | 1267686 |
hex | c9ffd2 |
13238226 has 24 divisors (see below), whose sum is σ = 28913664. Its totient is φ = 4377240.
The previous prime is 13238207. The next prime is 13238233. The reversal of 13238226 is 62283231.
It is a self number, because there is not a number n which added to its sum of digits gives 13238226.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610 + ... + 5181.
It is an arithmetic number, because the mean of its divisors is an integer number (1204736).
Almost surely, 213238226 is an apocalyptic number.
13238226 is an abundant number, since it is smaller than the sum of its proper divisors (15675438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13238226 is a wasteful number, since it uses less digits than its factorization.
13238226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5926 (or 5923 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 13238226 is about 3638.4373019196. The cubic root of 13238226 is about 236.5610633355.
The spelling of 13238226 in words is "thirteen million, two hundred thirty-eight thousand, two hundred twenty-six".
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