30204280 has 16 divisors (see below), whose sum is σ = 67959720. Its totient is φ = 12081696.

The previous prime is 30204271. The next prime is 30204347. The reversal of 30204280 is 8240203.

It is a happy number.

It is a congruent number.

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, 377514 + ... + 377593.

Almost surely, 2^30204280 is an apocalyptic number.

It is an amenable number.

30204280 is an abundant number, since it is smaller than the sum of its proper divisors (37755440).

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

30204280 is a wasteful number, since it uses less digits than its factorization.

30204280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755118 (or 755114 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 30204280 is about 5495.8420646885. The cubic root of 30204280 is about 311.4269285407.

Adding to 30204280 its reverse (8240203), we get a palindrome (38444483).

The spelling of 30204280 in words is "thirty million, two hundred four thousand, two hundred eighty".