30050000 has 60 divisors (see below), whose sum is σ = 72893772. Its totient is φ = 12000000.

The previous prime is 30049979. The next prime is 30050047. The reversal of 30050000 is 5003.

It can be written as a sum of positive squares in 6 ways, for example, as 19963024 + 10086976 = 4468^2 + 3176^2 .

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 30050000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49700 + ... + 50300.

Almost surely, 2^30050000 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 30050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36446886).

30050000 is an abundant number, since it is smaller than the sum of its proper divisors (42843772).

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

30050000 is an frugal number, since it uses more digits than its factorization.

30050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 608 counting only the distinct ones).

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

The square root of 30050000 is about 5481.7880294663. The cubic root of 30050000 is about 310.8957788100.

Adding to 30050000 its reverse (5003), we get a palindrome (30055003).

The spelling of 30050000 in words is "thirty million, fifty thousand", and thus it is an eban number.