306371242 has 8 divisors (see below), whose sum is σ = 461345796. Its totient is φ = 152589312.

The previous prime is 306371159. The next prime is 306371251. The reversal of 306371242 is 242173603.

It can be written as a sum of positive squares in 2 ways, for example, as 302446881 + 3924361 = 17391^2 + 1981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 306371242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297513 + ... + 298540.

Almost surely, 2^306371242 is an apocalyptic number.

306371242 is a deficient number, since it is larger than the sum of its proper divisors (154974554).

306371242 is a wasteful number, since it uses less digits than its factorization.

306371242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596312.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 306371242 is about 17503.4637143624. The cubic root of 306371242 is about 674.1388135810.

It can be divided in two parts, 3063 and 71242, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 306371242 in words is "three hundred six million, three hundred seventy-one thousand, two hundred forty-two".