Search a number
-
+
306950461 is a prime number
BaseRepresentation
bin10010010010111…
…011000100111101
3210101120200212121
4102102323010331
51112034403321
650243002541
710415015206
oct2222730475
9711520777
10306950461
111482a1474
1286969451
134b7925bc
142caa25ad
151be33441
hex124bb13d

306950461 has 2 divisors, whose sum is σ = 306950462. Its totient is φ = 306950460.

The previous prime is 306950459. The next prime is 306950489. The reversal of 306950461 is 164059603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299082436 + 7868025 = 17294^2 + 2805^2 .

It is a cyclic number.

It is not a de Polignac number, because 306950461 - 21 = 306950459 is a prime.

It is a super-2 number, since 2×3069504612 = 188437171016225042, which contains 22 as substring.

Together with 306950459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306953461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153475230 + 153475231.

It is an arithmetic number, because the mean of its divisors is an integer number (153475231).

Almost surely, 2306950461 is an apocalyptic number.

It is an amenable number.

306950461 is a deficient number, since it is larger than the sum of its proper divisors (1).

306950461 is an equidigital number, since it uses as much as digits as its factorization.

306950461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 306950461 is about 17520.0017408675. The cubic root of 306950461 is about 674.5633836669.

The spelling of 306950461 in words is "three hundred six million, nine hundred fifty thousand, four hundred sixty-one".