Base | Representation |
---|---|
bin | 110101001011… |
… | …010111001000 |
3 | 222020020022112 |
4 | 311023113020 |
5 | 12032041133 |
6 | 1214441452 |
7 | 226326614 |
oct | 65132710 |
9 | 28206275 |
10 | 13940168 |
11 | 7961500 |
12 | 4803288 |
13 | 2b71128 |
14 | 1bcc344 |
15 | 1355648 |
hex | d4b5c8 |
13940168 has 24 divisors (see below), whose sum is σ = 28731990. Its totient is φ = 6336000.
The previous prime is 13940117. The next prime is 13940177. The reversal of 13940168 is 86104931.
It is a happy number.
13940168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 7086244 + 6853924 = 2662^2 + 2618^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6233 + ... + 8168.
Almost surely, 213940168 is an apocalyptic number.
It is an amenable number.
13940168 is an abundant number, since it is smaller than the sum of its proper divisors (14791822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13940168 is a wasteful number, since it uses less digits than its factorization.
13940168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14429 (or 14414 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 13940168 is about 3733.6534386576. The cubic root of 13940168 is about 240.6703941569.
The spelling of 13940168 in words is "thirteen million, nine hundred forty thousand, one hundred sixty-eight".
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