304788130 has 16 divisors (see below), whose sum is σ = 548839800. Its totient is φ = 121866112.

The previous prime is 304788103. The next prime is 304788167. The reversal of 304788130 is 31887403.

It can be written as a sum of positive squares in 4 ways, for example, as 249924481 + 54863649 = 15809^2 + 7407^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30072 + ... + 38908.

Almost surely, 2^304788130 is an apocalyptic number.

304788130 is a deficient number, since it is larger than the sum of its proper divisors (244051670).

304788130 is a wasteful number, since it uses less digits than its factorization.

304788130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 304788130 is about 17458.1823223381. The cubic root of 304788130 is about 672.9756487240.

The spelling of 304788130 in words is "three hundred four million, seven hundred eighty-eight thousand, one hundred thirty".