Base | Representation |
---|---|
bin | 11111000010111110111010 |
3 | 120022111011200 |
4 | 133002332322 |
5 | 4040414212 |
6 | 450235030 |
7 | 126114636 |
oct | 37027672 |
9 | 16274150 |
10 | 8138682 |
11 | 4659792 |
12 | 2885a76 |
13 | 18bc5b6 |
14 | 111bdc6 |
15 | aab6dc |
hex | 7c2fba |
8138682 has 24 divisors (see below), whose sum is σ = 18671796. Its totient is φ = 2553216.
The previous prime is 8138677. The next prime is 8138687. The reversal of 8138682 is 2868318.
It is an interprime number because it is at equal distance from previous prime (8138677) and next prime (8138687).
It can be written as a sum of positive squares in 2 ways, for example, as 7017201 + 1121481 = 2649^2 + 1059^2 .
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (8138687) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12993 + ... + 13604.
Almost surely, 28138682 is an apocalyptic number.
8138682 is an abundant number, since it is smaller than the sum of its proper divisors (10533114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8138682 is a wasteful number, since it uses less digits than its factorization.
8138682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26622 (or 26619 counting only the distinct ones).
The product of its digits is 18432, while the sum is 36.
The square root of 8138682 is about 2852.8375348064. The cubic root of 8138682 is about 201.1490688935.
The spelling of 8138682 in words is "eight million, one hundred thirty-eight thousand, six hundred eighty-two".
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