30103240 has 16 divisors (see below), whose sum is σ = 67732380. Its totient is φ = 12041280.

The previous prime is 30103231. The next prime is 30103259. The reversal of 30103240 is 4230103.

It can be written as a sum of positive squares in 2 ways, for example, as 28323684 + 1779556 = 5322^2 + 1334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30103240.

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 3 ways as a sum of consecutive naturals, for example, 376251 + ... + 376330.

Almost surely, 2^30103240 is an apocalyptic number.

It is an amenable number.

30103240 is an abundant number, since it is smaller than the sum of its proper divisors (37629140).

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

30103240 is a wasteful number, since it uses less digits than its factorization.

30103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752592 (or 752588 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30103240 is about 5486.6419602522. The cubic root of 30103240 is about 311.0792765990.

Adding to 30103240 its reverse (4230103), we get a palindrome (34333343).

The spelling of 30103240 in words is "thirty million, one hundred three thousand, two hundred forty".