305240530 has 16 divisors (see below), whose sum is σ = 627923520. Its totient is φ = 104653872.

The previous prime is 305240519. The next prime is 305240549. The reversal of 305240530 is 35042503.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2180220 + ... + 2180359.

It is an arithmetic number, because the mean of its divisors is an integer number (39245220).

Almost surely, 2^305240530 is an apocalyptic number.

305240530 is an abundant number, since it is smaller than the sum of its proper divisors (322682990).

305240530 is a wasteful number, since it uses less digits than its factorization.

305240530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360593.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 305240530 is about 17471.1341932915. The cubic root of 305240530 is about 673.3084522279.

The spelling of 305240530 in words is "three hundred five million, two hundred forty thousand, five hundred thirty".