304211140 has 12 divisors (see below), whose sum is σ = 638843436. Its totient is φ = 121684448.

The previous prime is 304211137. The next prime is 304211161. The reversal of 304211140 is 41112403.

304211140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 221473924 + 82737216 = 14882^2 + 9096^2 .

It is an unprimeable number.

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, 7605259 + ... + 7605298.

It is an arithmetic number, because the mean of its divisors is an integer number (53236953).

Almost surely, 2^304211140 is an apocalyptic number.

It is an amenable number.

304211140 is an abundant number, since it is smaller than the sum of its proper divisors (334632296).

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

304211140 is a wasteful number, since it uses less digits than its factorization.

304211140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210566 (or 15210564 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 304211140 is about 17441.6495779499. The cubic root of 304211140 is about 672.5507136431.

Adding to 304211140 its reverse (41112403), we get a palindrome (345323543).

The spelling of 304211140 in words is "three hundred four million, two hundred eleven thousand, one hundred forty".