30504242 has 8 divisors (see below), whose sum is σ = 45828396. Its totient is φ = 15228112.

The previous prime is 30504241. The next prime is 30504247. The reversal of 30504242 is 24240503.

It can be written as a sum of positive squares in 2 ways, for example, as 30481441 + 22801 = 5521^2 + 151^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30504241) by changing a digit.

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, 10373 + ... + 12984.

Almost surely, 2^30504242 is an apocalyptic number.

30504242 is a deficient number, since it is larger than the sum of its proper divisors (15324154).

30504242 is a wasteful number, since it uses less digits than its factorization.

30504242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24012.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30504242 is about 5523.0645478756. The cubic root of 30504242 is about 312.4544727276.

Adding to 30504242 its reverse (24240503), we get a palindrome (54744745).

The spelling of 30504242 in words is "thirty million, five hundred four thousand, two hundred forty-two".