30204243 has 24 divisors (see below), whose sum is σ = 46235280. Its totient is φ = 18947520.

The previous prime is 30204233. The next prime is 30204263. The reversal of 30204243 is 34240203.

It is not a de Polignac number, because 30204243 - 2⁹ = 30203731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30204233) 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 23 ways as a sum of consecutive naturals, for example, 29073 + ... + 30093.

It is an arithmetic number, because the mean of its divisors is an integer number (1926470).

Almost surely, 2^30204243 is an apocalyptic number.

30204243 is a deficient number, since it is larger than the sum of its proper divisors (16031037).

30204243 is a wasteful number, since it uses less digits than its factorization.

30204243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 30204243 is about 5495.8386985064. The cubic root of 30204243 is about 311.4268013755.

Adding to 30204243 its reverse (34240203), we get a palindrome (64444446).

The spelling of 30204243 in words is "thirty million, two hundred four thousand, two hundred forty-three".