Search a number
-
+
306460969 is a prime number
BaseRepresentation
bin10010010001000…
…011100100101001
3210100122211102021
4102101003210221
51111423222334
650224304441
710410606133
oct2221034451
9710584367
10306460969
11147a97731
1286772121
134b650869
142c9b6053
151bd883b4
hex12443929

306460969 has 2 divisors, whose sum is σ = 306460970. Its totient is φ = 306460968.

The previous prime is 306460961. The next prime is 306460991. The reversal of 306460969 is 969064603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296252944 + 10208025 = 17212^2 + 3195^2 .

It is a cyclic number.

It is not a de Polignac number, because 306460969 - 23 = 306460961 is a prime.

It is a super-2 number, since 2×3064609692 = 187836651040837922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (306460961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153230484 + 153230485.

It is an arithmetic number, because the mean of its divisors is an integer number (153230485).

Almost surely, 2306460969 is an apocalyptic number.

It is an amenable number.

306460969 is a deficient number, since it is larger than the sum of its proper divisors (1).

306460969 is an equidigital number, since it uses as much as digits as its factorization.

306460969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 306460969 is about 17506.0266479861. The cubic root of 306460969 is about 674.2046188753.

The spelling of 306460969 in words is "three hundred six million, four hundred sixty thousand, nine hundred sixty-nine".