Base | Representation |
---|---|
bin | 110101010101… |
… | …110111100111 |
3 | 222022102100120 |
4 | 311111313213 |
5 | 12034430312 |
6 | 1215413023 |
7 | 226566240 |
oct | 65256747 |
9 | 28272316 |
10 | 13983207 |
11 | 7990877 |
12 | 4824173 |
13 | 2b878b4 |
14 | 1bddcc7 |
15 | 136328c |
hex | d55de7 |
13983207 has 16 divisors (see below), whose sum is σ = 21369600. Its totient is φ = 7967232.
The previous prime is 13983169. The next prime is 13983209. The reversal of 13983207 is 70238931.
It is not a de Polignac number, because 13983207 - 28 = 13982951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13983209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8688 + ... + 10170.
It is an arithmetic number, because the mean of its divisors is an integer number (1335600).
Almost surely, 213983207 is an apocalyptic number.
13983207 is a deficient number, since it is larger than the sum of its proper divisors (7386393).
13983207 is a wasteful number, since it uses less digits than its factorization.
13983207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1942.
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 13983207 is about 3739.4126544151. The cubic root of 13983207 is about 240.9178223401.
The spelling of 13983207 in words is "thirteen million, nine hundred eighty-three thousand, two hundred seven".
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