Base | Representation |
---|---|
bin | 110011010000… |
… | …110010100101 |
3 | 221021201122001 |
4 | 303100302211 |
5 | 11420004432 |
6 | 1200005301 |
7 | 222136120 |
oct | 63206245 |
9 | 27251561 |
10 | 13438117 |
11 | 7649290 |
12 | 4600831 |
13 | 2a26764 |
14 | 1adb3b7 |
15 | 12a69e7 |
hex | cd0ca5 |
13438117 has 16 divisors (see below), whose sum is σ = 17034624. Its totient is φ = 10296000.
The previous prime is 13438091. The next prime is 13438129. The reversal of 13438117 is 71183431.
It is not a de Polignac number, because 13438117 - 215 = 13405349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13438147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3267 + ... + 6127.
It is an arithmetic number, because the mean of its divisors is an integer number (1064664).
Almost surely, 213438117 is an apocalyptic number.
It is an amenable number.
13438117 is a deficient number, since it is larger than the sum of its proper divisors (3596507).
13438117 is a wasteful number, since it uses less digits than its factorization.
13438117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2940.
The product of its digits is 2016, while the sum is 28.
The square root of 13438117 is about 3665.8037317893. The cubic root of 13438117 is about 237.7457740155.
The spelling of 13438117 in words is "thirteen million, four hundred thirty-eight thousand, one hundred seventeen".
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