30230452 has 36 divisors (see below), whose sum is σ = 62267940. Its totient is φ = 12802944.

The previous prime is 30230449. The next prime is 30230491. The reversal of 30230452 is 25403203.

It can be written as a sum of positive squares in 2 ways, for example, as 9400356 + 20830096 = 3066^2 + 4564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16578 + ... + 18310.

It is an arithmetic number, because the mean of its divisors is an integer number (1729665).

Almost surely, 2^30230452 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 30230452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31133970).

30230452 is an abundant number, since it is smaller than the sum of its proper divisors (32037488).

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

30230452 is a wasteful number, since it uses less digits than its factorization.

30230452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30230452 is about 5498.2226219025. Note that the first 3 decimals coincide. The cubic root of 30230452 is about 311.5168530208.

Adding to 30230452 its reverse (25403203), we get a palindrome (55633655).

The spelling of 30230452 in words is "thirty million, two hundred thirty thousand, four hundred fifty-two".