305448130 has 32 divisors (see below), whose sum is σ = 593612208. Its totient is φ = 112492800.

The previous prime is 305448127. The next prime is 305448137. The reversal of 305448130 is 31844503.

It can be written as a sum of positive squares in 8 ways, for example, as 1329409 + 304118721 = 1153^2 + 17439^2 .

It is not an unprimeable number, because it can be changed into a prime (305448137) 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 in 15 ways as a sum of consecutive naturals, for example, 51940 + ... + 57520.

Almost surely, 2^305448130 is an apocalyptic number.

305448130 is a deficient number, since it is larger than the sum of its proper divisors (288164078).

305448130 is a wasteful number, since it uses less digits than its factorization.

305448130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 305448130 is about 17477.0744119260. The cubic root of 305448130 is about 673.4610610114.

The spelling of 305448130 in words is "three hundred five million, four hundred forty-eight thousand, one hundred thirty".