30028350 has 48 divisors (see below), whose sum is σ = 81244800. Its totient is φ = 7279200.

The previous prime is 30028343. The next prime is 30028351. The reversal of 30028350 is 5382003.

30028350 = 501² + 502² + ... + 599².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028351) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7450 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^30028350 is an apocalyptic number.

30028350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30028350 is an abundant number, since it is smaller than the sum of its proper divisors (51216450).

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

30028350 is a wasteful number, since it uses less digits than its factorization.

30028350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18225 (or 18220 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30028350 is about 5479.8129530122. The cubic root of 30028350 is about 310.8210976040.

The spelling of 30028350 in words is "thirty million, twenty-eight thousand, three hundred fifty".