30050400 has 144 divisors (see below), whose sum is σ = 103118400. Its totient is φ = 7580160.

The previous prime is 30050389. The next prime is 30050413. The reversal of 30050400 is 405003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45271 + ... + 45929.

It is an arithmetic number, because the mean of its divisors is an integer number (716100).

Almost surely, 2^30050400 is an apocalyptic number.

30050400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30050400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51559200).

30050400 is an abundant number, since it is smaller than the sum of its proper divisors (73068000).

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

30050400 is a wasteful number, since it uses less digits than its factorization.

30050400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 30050400 is about 5481.8245137910. The cubic root of 30050400 is about 310.8971582638.

Adding to 30050400 its reverse (405003), we get a palindrome (30455403).

The spelling of 30050400 in words is "thirty million, fifty thousand, four hundred".