30000500 has 48 divisors (see below), whose sum is σ = 67813200. Its totient is φ = 11580800.

The previous prime is 30000493. The next prime is 30000511. The reversal of 30000500 is 500003.

It can be written as a sum of positive squares in 8 ways, for example, as 14915044 + 15085456 = 3862^2 + 3884^2 .

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 15 ways as a sum of consecutive naturals, for example, 13466 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (1412775).

Almost surely, 2^30000500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33906600).

30000500 is an abundant number, since it is smaller than the sum of its proper divisors (37812700).

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

30000500 is a wasteful number, since it uses less digits than its factorization.

30000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 8.

The square root of 30000500 is about 5477.2712184079. The cubic root of 30000500 is about 310.7249768261.

Adding to 30000500 its reverse (500003), we get a palindrome (30500503).

The spelling of 30000500 in words is "thirty million, five hundred", and thus it is an aban number.