306244242 has 36 divisors (see below), whose sum is σ = 700304670. Its totient is φ = 96706656.

The previous prime is 306244231. The next prime is 306244259. The reversal of 306244242 is 242442603.

306244242 is a `hidden beast` number, since 30 + 624 + 4 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 306215001 + 29241 = 17499^2 + 171^2 .

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 17 ways as a sum of consecutive naturals, for example, 17067 + ... + 30062.

Almost surely, 2^306244242 is an apocalyptic number.

306244242 is an abundant number, since it is smaller than the sum of its proper divisors (394060428).

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

306244242 is a wasteful number, since it uses less digits than its factorization.

306244242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47175 (or 47153 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 306244242 is about 17499.8354849410. The cubic root of 306244242 is about 674.0456505048.

Adding to 306244242 its reverse (242442603), we get a palindrome (548686845).

The spelling of 306244242 in words is "three hundred six million, two hundred forty-four thousand, two hundred forty-two".