30028248 has 48 divisors (see below), whose sum is σ = 84867120. Its totient is φ = 9573696.

The previous prime is 30028237. The next prime is 30028249. The reversal of 30028248 is 84282003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7411 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (1768065).

Almost surely, 2^30028248 is an apocalyptic number.

It is an amenable number.

30028248 is an abundant number, since it is smaller than the sum of its proper divisors (54838872).

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

30028248 is a wasteful number, since it uses less digits than its factorization.

30028248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18168 (or 18161 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 30028248 is about 5479.8036461173. The cubic root of 30028248 is about 310.8207456723.

It can be divided in two parts, 30028 and 248, that added together give a square (30276 = 174²).

The spelling of 30028248 in words is "thirty million, twenty-eight thousand, two hundred forty-eight".