Base | Representation |
---|---|
bin | 110100111001… |
… | …111000111111 |
3 | 222002121011010 |
4 | 310321320333 |
5 | 12022243412 |
6 | 1213130303 |
7 | 225611154 |
oct | 64717077 |
9 | 28077133 |
10 | 13868607 |
11 | 7912765 |
12 | 4789993 |
13 | 2b4769c |
14 | 1bb022b |
15 | 133e33c |
hex | d39e3f |
13868607 has 4 divisors (see below), whose sum is σ = 18491480. Its totient is φ = 9245736.
The previous prime is 13868587. The next prime is 13868611. The reversal of 13868607 is 70686831.
13868607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70686831 = 3 ⋅23562277.
It is not a de Polignac number, because 13868607 - 210 = 13867583 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 (13868627) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311432 + ... + 2311437.
It is an arithmetic number, because the mean of its divisors is an integer number (4622870).
Almost surely, 213868607 is an apocalyptic number.
13868607 is a deficient number, since it is larger than the sum of its proper divisors (4622873).
13868607 is an equidigital number, since it uses as much as digits as its factorization.
13868607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4622872.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 13868607 is about 3724.0578674344. The cubic root of 13868607 is about 240.2578652016.
The spelling of 13868607 in words is "thirteen million, eight hundred sixty-eight thousand, six hundred seven".
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