30109452 has 24 divisors (see below), whose sum is σ = 73953600. Its totient is φ = 9508176.

The previous prime is 30109451. The next prime is 30109477. The reversal of 30109452 is 25490103.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30109451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65802 + ... + 66257.

It is an arithmetic number, because the mean of its divisors is an integer number (3081400).

Almost surely, 2^30109452 is an apocalyptic number.

It is an amenable number.

30109452 is an abundant number, since it is smaller than the sum of its proper divisors (43844148).

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

30109452 is a wasteful number, since it uses less digits than its factorization.

30109452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132085 (or 132083 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 30109452 is about 5487.2080332351. The cubic root of 30109452 is about 311.1006728735.

Adding to 30109452 its reverse (25490103), we get a palindrome (55599555).

The spelling of 30109452 in words is "thirty million, one hundred nine thousand, four hundred fifty-two".