Base | Representation |
---|---|
bin | 10110110101110… |
… | …010111111010111 |
3 | 222201001122021111 |
4 | 112311302333113 |
5 | 1241044414424 |
6 | 102005155451 |
7 | 12332104531 |
oct | 2665627727 |
9 | 881048244 |
10 | 383201239 |
11 | 187341843 |
12 | a83bbb87 |
13 | 6150c2c5 |
14 | 38c70851 |
15 | 23996194 |
hex | 16d72fd7 |
383201239 has 2 divisors, whose sum is σ = 383201240. Its totient is φ = 383201238.
The previous prime is 383201237. The next prime is 383201243. The reversal of 383201239 is 932102383.
It is a weak prime.
It is an emirp because it is prime and its reverse (932102383) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 383201239 - 21 = 383201237 is a prime.
It is a super-2 number, since 2×3832012392 = 293686379142270242, which contains 22 as substring.
Together with 383201237, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 383201239.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (383201237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191600619 + 191600620.
It is an arithmetic number, because the mean of its divisors is an integer number (191600620).
Almost surely, 2383201239 is an apocalyptic number.
383201239 is a deficient number, since it is larger than the sum of its proper divisors (1).
383201239 is an equidigital number, since it uses as much as digits as its factorization.
383201239 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 383201239 is about 19575.5265318714. The cubic root of 383201239 is about 726.3439133088.
The spelling of 383201239 in words is "three hundred eighty-three million, two hundred one thousand, two hundred thirty-nine".
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