Search a number
-
+
385327907 is a prime number
BaseRepresentation
bin10110111101111…
…010001100100011
3222212001200111222
4112331322030203
51242120443112
6102122525255
712356142656
oct2675721443
9885050458
10385327907
11188564618
12a906682b
1361aa52a3
143926589d
1523c66372
hex16f7a323

385327907 has 2 divisors, whose sum is σ = 385327908. Its totient is φ = 385327906.

The previous prime is 385327889. The next prime is 385327909. The reversal of 385327907 is 709723583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385327907 - 210 = 385326883 is a prime.

Together with 385327909, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385327909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192663953 + 192663954.

It is an arithmetic number, because the mean of its divisors is an integer number (192663954).

Almost surely, 2385327907 is an apocalyptic number.

385327907 is a deficient number, since it is larger than the sum of its proper divisors (1).

385327907 is an equidigital number, since it uses as much as digits as its factorization.

385327907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 385327907 is about 19629.7709360043. The cubic root of 385327907 is about 727.6851090308.

The spelling of 385327907 in words is "three hundred eighty-five million, three hundred twenty-seven thousand, nine hundred seven".