Base | Representation |
---|---|
bin | 11000100101011… |
… | …11001001011101 |
3 | 112101001222202121 |
4 | 30102233021131 |
5 | 410244111201 |
6 | 32244222541 |
7 | 5052665563 |
oct | 1422571135 |
9 | 471058677 |
10 | 206238301 |
11 | a6463985 |
12 | 5909aa51 |
13 | 3395c8c9 |
14 | 1d567a33 |
15 | 1318c9a1 |
hex | c4af25d |
206238301 has 2 divisors, whose sum is σ = 206238302. Its totient is φ = 206238300.
The previous prime is 206238299. The next prime is 206238311. The reversal of 206238301 is 103832602.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 120231225 + 86007076 = 10965^2 + 9274^2 .
It is a cyclic number.
It is not a de Polignac number, because 206238301 - 21 = 206238299 is a prime.
Together with 206238299, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (206238311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103119150 + 103119151.
It is an arithmetic number, because the mean of its divisors is an integer number (103119151).
Almost surely, 2206238301 is an apocalyptic number.
It is an amenable number.
206238301 is a deficient number, since it is larger than the sum of its proper divisors (1).
206238301 is an equidigital number, since it uses as much as digits as its factorization.
206238301 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 206238301 is about 14360.9993036696. Note that the first 3 decimals coincide. The cubic root of 206238301 is about 590.8217038649.
The spelling of 206238301 in words is "two hundred six million, two hundred thirty-eight thousand, three hundred one".
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