305642082 has 32 divisors (see below), whose sum is σ = 668127744. Its totient is φ = 92793600.

The previous prime is 305642063. The next prime is 305642087. The reversal of 305642082 is 280246503.

It is not an unprimeable number, because it can be changed into a prime (305642087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45169 + ... + 51492.

It is an arithmetic number, because the mean of its divisors is an integer number (20878992).

Almost surely, 2^305642082 is an apocalyptic number.

305642082 is an abundant number, since it is smaller than the sum of its proper divisors (362485662).

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

305642082 is a wasteful number, since it uses less digits than its factorization.

305642082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96714.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 305642082 is about 17482.6222861446. The cubic root of 305642082 is about 673.6035745513.

Adding to 305642082 its reverse (280246503), we get a palindrome (585888585).

The spelling of 305642082 in words is "three hundred five million, six hundred forty-two thousand, eighty-two".