Base | Representation |
---|---|
bin | 110100111110… |
… | …101110000000 |
3 | 222010121021121 |
4 | 310332232000 |
5 | 12023412014 |
6 | 1213402024 |
7 | 226022626 |
oct | 64765600 |
9 | 28117247 |
10 | 13888384 |
11 | 7926604 |
12 | 4799314 |
13 | 2b536a3 |
14 | 1bb7516 |
15 | 1345124 |
hex | d3eb80 |
13888384 has 16 divisors (see below), whose sum is σ = 27668520. Its totient is φ = 6944128.
The previous prime is 13888379. The next prime is 13888387. The reversal of 13888384 is 48388831.
It is a happy number.
13888384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (16).
It is a self number, because there is not a number n which added to its sum of digits gives 13888384.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13888387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54124 + ... + 54379.
Almost surely, 213888384 is an apocalyptic number.
It is an amenable number.
13888384 is a deficient number, since it is larger than the sum of its proper divisors (13780136).
13888384 is an equidigital number, since it uses as much as digits as its factorization.
13888384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108517 (or 108505 counting only the distinct ones).
The product of its digits is 147456, while the sum is 43.
The square root of 13888384 is about 3726.7122239314. The cubic root of 13888384 is about 240.3720156461.
The spelling of 13888384 in words is "thirteen million, eight hundred eighty-eight thousand, three hundred eighty-four".
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