Base | Representation |
---|---|
bin | 1011111001011101100 |
3 | 201210210120 |
4 | 1133023230 |
5 | 44433433 |
6 | 12204540 |
7 | 3212433 |
oct | 1371354 |
9 | 653716 |
10 | 389868 |
11 | 246a06 |
12 | 169750 |
13 | 1085bb |
14 | a211a |
15 | 7a7b3 |
hex | 5f2ec |
389868 has 24 divisors (see below), whose sum is σ = 928368. Its totient is φ = 127296.
The previous prime is 389867. The next prime is 389891. The reversal of 389868 is 868983.
389868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (389867) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330 + ... + 942.
It is an arithmetic number, because the mean of its divisors is an integer number (38682).
2389868 is an apocalyptic number.
It is an amenable number.
389868 is an abundant number, since it is smaller than the sum of its proper divisors (538500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389868 is a wasteful number, since it uses less digits than its factorization.
389868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 673 (or 671 counting only the distinct ones).
The product of its digits is 82944, while the sum is 42.
The square root of 389868 is about 624.3941063143. The cubic root of 389868 is about 73.0531919818.
The spelling of 389868 in words is "three hundred eighty-nine thousand, eight hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •