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383201239 is a prime number
BaseRepresentation
bin10110110101110…
…010111111010111
3222201001122021111
4112311302333113
51241044414424
6102005155451
712332104531
oct2665627727
9881048244
10383201239
11187341843
12a83bbb87
136150c2c5
1438c70851
1523996194
hex16d72fd7

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".