305328030 has 32 divisors (see below), whose sum is σ = 837471744. Its totient is φ = 69789216.

The previous prime is 305328029. The next prime is 305328047. The reversal of 305328030 is 30823503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726762 + ... + 727181.

It is an arithmetic number, because the mean of its divisors is an integer number (26170992).

Almost surely, 2^305328030 is an apocalyptic number.

305328030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305328030 is an abundant number, since it is smaller than the sum of its proper divisors (532143714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305328030 is a wasteful number, since it uses less digits than its factorization.

305328030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453960.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 305328030 is about 17473.6381443591. The cubic root of 305328030 is about 673.3727827642.

The spelling of 305328030 in words is "three hundred five million, three hundred twenty-eight thousand, thirty".