Base | Representation |
---|---|
bin | 10100110101110001001 |
3 | 1021200202012 |
4 | 2212232021 |
5 | 133323024 |
6 | 22345305 |
7 | 5542634 |
oct | 2465611 |
9 | 1250665 |
10 | 682889 |
11 | 427079 |
12 | 28b235 |
13 | 1aba9c |
14 | 13ac1b |
15 | d750e |
hex | a6b89 |
682889 has 4 divisors (see below), whose sum is σ = 685056. Its totient is φ = 680724.
The previous prime is 682819. The next prime is 682901. The reversal of 682889 is 988286.
It is a happy number.
682889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-682889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (682819) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509 + ... + 1274.
It is an arithmetic number, because the mean of its divisors is an integer number (171264).
2682889 is an apocalyptic number.
It is an amenable number.
682889 is a deficient number, since it is larger than the sum of its proper divisors (2167).
682889 is a wasteful number, since it uses less digits than its factorization.
682889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2166.
The product of its digits is 55296, while the sum is 41.
The square root of 682889 is about 826.3709820656. The cubic root of 682889 is about 88.0609512310.
The spelling of 682889 in words is "six hundred eighty-two thousand, eight hundred eighty-nine".
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