30430452 has 48 divisors (see below), whose sum is σ = 77292992. Its totient is φ = 9262080.

The previous prime is 30430451. The next prime is 30430481. The reversal of 30430452 is 25403403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14127 + ... + 16137.

Almost surely, 2^30430452 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 30430452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38646496).

30430452 is an abundant number, since it is smaller than the sum of its proper divisors (46862540).

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

30430452 is a wasteful number, since it uses less digits than its factorization.

30430452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30430452 is about 5516.3803349660. The cubic root of 30430452 is about 312.2023260320.

Adding to 30430452 its reverse (25403403), we get a palindrome (55833855).

The spelling of 30430452 in words is "thirty million, four hundred thirty thousand, four hundred fifty-two".