305040514 has 8 divisors (see below), whose sum is σ = 457652988. Its totient is φ = 152489520.

The previous prime is 305040511. The next prime is 305040529. The reversal of 305040514 is 415040503.

It can be written as a sum of positive squares in 2 ways, for example, as 248535225 + 56505289 = 15765^2 + 7517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (305040511) 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 3 ways as a sum of consecutive naturals, for example, 184 + ... + 24700.

Almost surely, 2^305040514 is an apocalyptic number.

305040514 is a deficient number, since it is larger than the sum of its proper divisors (152612474).

305040514 is a wasteful number, since it uses less digits than its factorization.

305040514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30740.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 305040514 is about 17465.4090705028. The cubic root of 305040514 is about 673.1613530535.

The spelling of 305040514 in words is "three hundred five million, forty thousand, five hundred fourteen".