30140000 has 120 divisors (see below), whose sum is σ = 81480168. Its totient is φ = 10880000.

The previous prime is 30139999. The next prime is 30140041. The reversal of 30140000 is 4103.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30140000.

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 19 ways as a sum of consecutive naturals, for example, 219932 + ... + 220068.

Almost surely, 2^30140000 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 30140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40740084).

30140000 is an abundant number, since it is smaller than the sum of its proper divisors (51340168).

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

30140000 is a wasteful number, since it uses less digits than its factorization.

30140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 30140000 is about 5489.9908925243. The cubic root of 30140000 is about 311.2058479438.

Adding to 30140000 its reverse (4103), we get a palindrome (30144103).

The spelling of 30140000 in words is "thirty million, one hundred forty thousand".