304210242 has 112 divisors (see below), whose sum is σ = 802069632. Its totient is φ = 84680640.

The previous prime is 304210219. The next prime is 304210271. The reversal of 304210242 is 242012403.

304210242 is a `hidden beast` number, since 3 + 0 + 421 + 0 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 418083 + ... + 418809.

It is an arithmetic number, because the mean of its divisors is an integer number (7161336).

Almost surely, 2^304210242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304210242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401034816).

304210242 is an abundant number, since it is smaller than the sum of its proper divisors (497859390).

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

304210242 is an equidigital number, since it uses as much as digits as its factorization.

304210242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 304210242 is about 17441.6238349530. The cubic root of 304210242 is about 672.5500518756.

Adding to 304210242 its reverse (242012403), we get a palindrome (546222645).

The spelling of 304210242 in words is "three hundred four million, two hundred ten thousand, two hundred forty-two".