Search a number
-
+
307085017 is a prime number
BaseRepresentation
bin10010010011011…
…011111011011001
3210101211112110011
4102103123323121
51112103210032
650245521521
710416115411
oct2223337331
9711745404
10307085017
11148383578
1286a132a1
134b80b915
142cad9641
151be5d247
hex124dbed9

307085017 has 2 divisors, whose sum is σ = 307085018. Its totient is φ = 307085016.

The previous prime is 307085003. The next prime is 307085027. The reversal of 307085017 is 710580703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305690256 + 1394761 = 17484^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 307085017 - 211 = 307082969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 307085017.

It is not a weakly prime, because it can be changed into another prime (307085027) 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, 153542508 + 153542509.

It is an arithmetic number, because the mean of its divisors is an integer number (153542509).

Almost surely, 2307085017 is an apocalyptic number.

It is an amenable number.

307085017 is a deficient number, since it is larger than the sum of its proper divisors (1).

307085017 is an equidigital number, since it uses as much as digits as its factorization.

307085017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 307085017 is about 17523.8413882345. The cubic root of 307085017 is about 674.6619373452.

The spelling of 307085017 in words is "three hundred seven million, eighty-five thousand, seventeen".