Base | Representation |
---|---|
bin | 110010111111… |
… | …111001001101 |
3 | 221011012200210 |
4 | 302333321031 |
5 | 11410301114 |
6 | 1154313033 |
7 | 221430261 |
oct | 62777115 |
9 | 27135623 |
10 | 13368909 |
11 | 7601294 |
12 | 4588779 |
13 | 2a010c8 |
14 | 1ac00a1 |
15 | 1291259 |
hex | cbfe4d |
13368909 has 8 divisors (see below), whose sum is σ = 17966080. Its totient is φ = 8842176.
The previous prime is 13368907. The next prime is 13368923. The reversal of 13368909 is 90986331.
13368909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13368909 - 21 = 13368907 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 (13368907) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17164 + ... + 17925.
It is an arithmetic number, because the mean of its divisors is an integer number (2245760).
Almost surely, 213368909 is an apocalyptic number.
It is an amenable number.
13368909 is a deficient number, since it is larger than the sum of its proper divisors (4597171).
13368909 is a wasteful number, since it uses less digits than its factorization.
13368909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35219.
The product of its (nonzero) digits is 34992, while the sum is 39.
The square root of 13368909 is about 3656.3518703757. The cubic root of 13368909 is about 237.3369310902.
The spelling of 13368909 in words is "thirteen million, three hundred sixty-eight thousand, nine hundred nine".
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