30011200 has 42 divisors (see below), whose sum is σ = 73850246. Its totient is φ = 12003840.

The previous prime is 30011161. The next prime is 30011269. The reversal of 30011200 is 211003.

It can be written as a sum of positive squares in 3 ways, for example, as 2637376 + 27373824 = 1624^2 + 5232^2 .

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 5 ways as a sum of consecutive naturals, for example, 7779 + ... + 10978.

Almost surely, 2^30011200 is an apocalyptic number.

It is an amenable number.

30011200 is an abundant number, since it is smaller than the sum of its proper divisors (43839046).

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

30011200 is a wasteful number, since it uses less digits than its factorization.

30011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18779 (or 18764 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 30011200 is about 5478.2478950847. The cubic root of 30011200 is about 310.7619135667.

Adding to 30011200 its reverse (211003), we get a palindrome (30222203).

The spelling of 30011200 in words is "thirty million, eleven thousand, two hundred".