30016400 has 30 divisors (see below), whose sum is σ = 72115362. Its totient is φ = 12006400.

The previous prime is 30016381. The next prime is 30016411. The reversal of 30016400 is 461003.

It can be written as a sum of positive squares in 3 ways, for example, as 6822544 + 23193856 = 2612^2 + 4816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37121 + ... + 37920.

Almost surely, 2^30016400 is an apocalyptic number.

It is an amenable number.

30016400 is an abundant number, since it is smaller than the sum of its proper divisors (42098962).

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

30016400 is a wasteful number, since it uses less digits than its factorization.

30016400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75059 (or 75048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30016400 is about 5478.7224788266. The cubic root of 30016400 is about 310.7798609622.

Adding to 30016400 its reverse (461003), we get a palindrome (30477403).

The spelling of 30016400 in words is "thirty million, sixteen thousand, four hundred".