Search a number
-
+
304080961 is a prime number
BaseRepresentation
bin10010000111111…
…110100001000001
3210012011220122211
4102013332201001
51110321042321
650101302121
710351434262
oct2207764101
9705156584
10304080961
11146711588
1285a04941
134acc9482
142c556969
151ba680e1
hex121fe841

304080961 has 2 divisors, whose sum is σ = 304080962. Its totient is φ = 304080960.

The previous prime is 304080949. The next prime is 304080991. The reversal of 304080961 is 169080403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191296561 + 112784400 = 13831^2 + 10620^2 .

It is a cyclic number.

It is not a de Polignac number, because 304080961 - 215 = 304048193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304080991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152040480 + 152040481.

It is an arithmetic number, because the mean of its divisors is an integer number (152040481).

Almost surely, 2304080961 is an apocalyptic number.

It is an amenable number.

304080961 is a deficient number, since it is larger than the sum of its proper divisors (1).

304080961 is an equidigital number, since it uses as much as digits as its factorization.

304080961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 304080961 is about 17437.9173355077. The cubic root of 304080961 is about 672.4547666079.

The spelling of 304080961 in words is "three hundred four million, eighty thousand, nine hundred sixty-one".