30530244 has 12 divisors (see below), whose sum is σ = 71237264. Its totient is φ = 10176744.

The previous prime is 30530239. The next prime is 30530251. The reversal of 30530244 is 44203503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30530244.

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, 1272082 + ... + 1272105.

Almost surely, 2^30530244 is an apocalyptic number.

It is an amenable number.

30530244 is an abundant number, since it is smaller than the sum of its proper divisors (40707020).

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

30530244 is a wasteful number, since it uses less digits than its factorization.

30530244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544194 (or 2544192 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30530244 is about 5525.4179932382. The cubic root of 30530244 is about 312.5432268737.

Adding to 30530244 its reverse (44203503), we get a palindrome (74733747).

The spelling of 30530244 in words is "thirty million, five hundred thirty thousand, two hundred forty-four".