Base | Representation |
---|---|
bin | 111000011001… |
… | …001110010101 |
3 | 1000211001222122 |
4 | 320121032111 |
5 | 12241032011 |
6 | 1244505325 |
7 | 236441144 |
oct | 70311625 |
9 | 30731878 |
10 | 14783381 |
11 | 8387a78 |
12 | 4b4b245 |
13 | 30a7b82 |
14 | 1d6b75b |
15 | 14703db |
hex | e19395 |
14783381 has 2 divisors, whose sum is σ = 14783382. Its totient is φ = 14783380.
The previous prime is 14783371. The next prime is 14783393. The reversal of 14783381 is 18338741.
14783381 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., 14182756 + 600625 = 3766^2 + 775^2 .
It is an emirp because it is prime and its reverse (18338741) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14783381 - 222 = 10589077 is a prime.
It is a super-2 number, since 2×147833812 = 437096707582322, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen 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 (14783371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7391690 + 7391691.
It is an arithmetic number, because the mean of its divisors is an integer number (7391691).
Almost surely, 214783381 is an apocalyptic number.
It is an amenable number.
14783381 is a deficient number, since it is larger than the sum of its proper divisors (1).
14783381 is an equidigital number, since it uses as much as digits as its factorization.
14783381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 16128, while the sum is 35.
The square root of 14783381 is about 3844.9162539644. The cubic root of 14783381 is about 245.4282721639.
The spelling of 14783381 in words is "fourteen million, seven hundred eighty-three thousand, three hundred eighty-one".
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