30230528 has 48 divisors (see below), whose sum is σ = 62653500. Its totient is φ = 14565376.

The previous prime is 30230527. The next prime is 30230587. The reversal of 30230528 is 82503203.

It can be written as a sum of positive squares in 2 ways, for example, as 29246464 + 984064 = 5408^2 + 992^2 .

It is not an unprimeable number, because it can be changed into a prime (30230527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59138 + ... + 59646.

Almost surely, 2^30230528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30230528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31326750).

30230528 is an abundant number, since it is smaller than the sum of its proper divisors (32422972).

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

30230528 is an equidigital number, since it uses as much as digits as its factorization.

30230528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30230528 is about 5498.2295332225. The cubic root of 30230528 is about 311.5171140739.

The spelling of 30230528 in words is "thirty million, two hundred thirty thousand, five hundred twenty-eight".