Base | Representation |
---|---|
bin | 1011111001011110100 |
3 | 201210210212 |
4 | 1133023310 |
5 | 44434001 |
6 | 12204552 |
7 | 3212444 |
oct | 1371364 |
9 | 653725 |
10 | 389876 |
11 | 246a13 |
12 | 169758 |
13 | 1085c6 |
14 | a2124 |
15 | 7a7bb |
hex | 5f2f4 |
389876 has 12 divisors (see below), whose sum is σ = 706020. Its totient is φ = 188160.
The previous prime is 389867. The next prime is 389891. The reversal of 389876 is 678983.
It can be written as a sum of positive squares in 2 ways, for example, as 250000 + 139876 = 500^2 + 374^2 .
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
389876 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565 + ... + 1796.
It is an arithmetic number, because the mean of its divisors is an integer number (58835).
2389876 is an apocalyptic number.
It is an amenable number.
389876 is a deficient number, since it is larger than the sum of its proper divisors (316144).
389876 is a wasteful number, since it uses less digits than its factorization.
389876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3394 (or 3392 counting only the distinct ones).
The product of its digits is 72576, while the sum is 41.
The square root of 389876 is about 624.4005124918. The cubic root of 389876 is about 73.0536916566.
The spelling of 389876 in words is "three hundred eighty-nine thousand, eight hundred seventy-six".
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