Base | Representation |
---|---|
bin | 110100111111… |
… | …001001101111 |
3 | 222010200201100 |
4 | 310333021233 |
5 | 12023441114 |
6 | 1213414143 |
7 | 226031043 |
oct | 64771157 |
9 | 28120640 |
10 | 13890159 |
11 | 7927978 |
12 | 479a353 |
13 | 2b5443a |
14 | 1bb8023 |
15 | 1345909 |
hex | d3f26f |
13890159 has 24 divisors (see below), whose sum is σ = 21855600. Its totient is φ = 8467200.
The previous prime is 13890157. The next prime is 13890167. The reversal of 13890159 is 95109831.
It is a happy number.
It is not a de Polignac number, because 13890159 - 21 = 13890157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13890157) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3559 + ... + 6359.
It is an arithmetic number, because the mean of its divisors is an integer number (910650).
Almost surely, 213890159 is an apocalyptic number.
13890159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
13890159 is a deficient number, since it is larger than the sum of its proper divisors (7965441).
13890159 is a wasteful number, since it uses less digits than its factorization.
13890159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2855 (or 2852 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 36.
The square root of 13890159 is about 3726.9503618911. The cubic root of 13890159 is about 240.3822554300.
The spelling of 13890159 in words is "thirteen million, eight hundred ninety thousand, one hundred fifty-nine".
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