Base | Representation |
---|---|
bin | 110010111010… |
… | …110101110001 |
3 | 221010011022010 |
4 | 302322311301 |
5 | 11404120314 |
6 | 1154033133 |
7 | 221313030 |
oct | 62726561 |
9 | 27104263 |
10 | 13348209 |
11 | 7597786 |
12 | 45787a9 |
13 | 29c4864 |
14 | 1ab6717 |
15 | 128a059 |
hex | cbad71 |
13348209 has 32 divisors (see below), whose sum is σ = 21150720. Its totient is φ = 7330752.
The previous prime is 13348199. The next prime is 13348271. The reversal of 13348209 is 90284331.
It is not a de Polignac number, because 13348209 - 24 = 13348193 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13348109) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74482 + ... + 74660.
It is an arithmetic number, because the mean of its divisors is an integer number (660960).
Almost surely, 213348209 is an apocalyptic number.
It is an amenable number.
13348209 is a deficient number, since it is larger than the sum of its proper divisors (7802511).
13348209 is a wasteful number, since it uses less digits than its factorization.
13348209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 13348209 is about 3653.5200834264. The cubic root of 13348209 is about 237.2143727896.
The spelling of 13348209 in words is "thirteen million, three hundred forty-eight thousand, two hundred nine".
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