30248340 has 24 divisors (see below), whose sum is σ = 84695520. Its totient is φ = 8066208.

The previous prime is 30248333. The next prime is 30248357. The reversal of 30248340 is 4384203.

30248340 is nontrivially palindromic in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 30248340.

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 7 ways as a sum of consecutive naturals, for example, 252010 + ... + 252129.

It is an arithmetic number, because the mean of its divisors is an integer number (3528980).

Almost surely, 2^30248340 is an apocalyptic number.

30248340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30248340 is an abundant number, since it is smaller than the sum of its proper divisors (54447180).

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

30248340 is a wasteful number, since it uses less digits than its factorization.

30248340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504151 (or 504149 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 30248340 is about 5499.8490888387. The cubic root of 30248340 is about 311.5782846166.

The spelling of 30248340 in words is "thirty million, two hundred forty-eight thousand, three hundred forty".