Base | Representation |
---|---|
bin | 11000001101000… |
… | …11000111011101 |
3 | 112011001200000222 |
4 | 30012203013131 |
5 | 403434341133 |
6 | 32051531125 |
7 | 5013560645 |
oct | 1406430735 |
9 | 464050028 |
10 | 203043293 |
11 | a4681482 |
12 | 57bb9aa5 |
13 | 330b157b |
14 | 1cd75525 |
15 | 12c5ae98 |
hex | c1a31dd |
203043293 has 2 divisors, whose sum is σ = 203043294. Its totient is φ = 203043292.
The previous prime is 203043289. The next prime is 203043311. The reversal of 203043293 is 392340302.
203043293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 198190084 + 4853209 = 14078^2 + 2203^2 .
It is a cyclic number.
It is not a de Polignac number, because 203043293 - 22 = 203043289 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (203043263) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101521646 + 101521647.
It is an arithmetic number, because the mean of its divisors is an integer number (101521647).
Almost surely, 2203043293 is an apocalyptic number.
It is an amenable number.
203043293 is a deficient number, since it is larger than the sum of its proper divisors (1).
203043293 is an equidigital number, since it uses as much as digits as its factorization.
203043293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 26.
The square root of 203043293 is about 14249.3260542385. The cubic root of 203043293 is about 587.7548426915.
Adding to 203043293 its reverse (392340302), we get a palindrome (595383595).
The spelling of 203043293 in words is "two hundred three million, forty-three thousand, two hundred ninety-three".
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