Base | Representation |
---|---|
bin | 11000101010011… |
… | …00010100010101 |
3 | 112102021200211212 |
4 | 30111030110111 |
5 | 410430211234 |
6 | 32310111205 |
7 | 5061316502 |
oct | 1425142425 |
9 | 472250755 |
10 | 206882069 |
11 | a6863619 |
12 | 5934b505 |
13 | 33b26934 |
14 | 1d6944a9 |
15 | 132685ce |
hex | c54c515 |
206882069 has 2 divisors, whose sum is σ = 206882070. Its totient is φ = 206882068.
The previous prime is 206882063. The next prime is 206882099. The reversal of 206882069 is 960288602.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 107640625 + 99241444 = 10375^2 + 9962^2 .
It is a cyclic number.
It is not a de Polignac number, because 206882069 - 28 = 206881813 is a prime.
It is a super-2 number, since 2×2068820692 = 85600380947441522, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (206882063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103441034 + 103441035.
It is an arithmetic number, because the mean of its divisors is an integer number (103441035).
Almost surely, 2206882069 is an apocalyptic number.
It is an amenable number.
206882069 is a deficient number, since it is larger than the sum of its proper divisors (1).
206882069 is an equidigital number, since it uses as much as digits as its factorization.
206882069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 82944, while the sum is 41.
The square root of 206882069 is about 14383.3956004832. The cubic root of 206882069 is about 591.4358106793.
The spelling of 206882069 in words is "two hundred six million, eight hundred eighty-two thousand, sixty-nine".
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