30008140 has 12 divisors (see below), whose sum is σ = 63017136. Its totient is φ = 12003248.

The previous prime is 30008119. The next prime is 30008141. The reversal of 30008140 is 4180003.

It is not an unprimeable number, because it can be changed into a prime (30008141) 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 3 ways as a sum of consecutive naturals, for example, 750184 + ... + 750223.

It is an arithmetic number, because the mean of its divisors is an integer number (5251428).

Almost surely, 2^30008140 is an apocalyptic number.

It is an amenable number.

30008140 is an abundant number, since it is smaller than the sum of its proper divisors (33008996).

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

30008140 is a wasteful number, since it uses less digits than its factorization.

30008140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500416 (or 1500414 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 30008140 is about 5477.9686015895. The cubic root of 30008140 is about 310.7513512458.

Adding to 30008140 its reverse (4180003), we get a palindrome (34188143).

The spelling of 30008140 in words is "thirty million, eight thousand, one hundred forty".