242520306 has 24 divisors (see below), whose sum is σ = 564231600. Its totient is φ = 69291432.

The previous prime is 242520253. The next prime is 242520319. The reversal of 242520306 is 603025242.

242520306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412156 + ... + 412743.

It is an arithmetic number, because the mean of its divisors is an integer number (23509650).

Almost surely, 2^242520306 is an apocalyptic number.

242520306 is an abundant number, since it is smaller than the sum of its proper divisors (321711294).

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

242520306 is a wasteful number, since it uses less digits than its factorization.

242520306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824918 (or 824911 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 242520306 is about 15573.0634751163. The cubic root of 242520306 is about 623.6142576062.

Adding to 242520306 its reverse (603025242), we get a palindrome (845545548).

The spelling of 242520306 in words is "two hundred forty-two million, five hundred twenty thousand, three hundred six".