30240852 has 48 divisors (see below), whose sum is σ = 74141760. Its totient is φ = 9580032.

The previous prime is 30240827. The next prime is 30240857. The reversal of 30240852 is 25804203.

30240852 is nontrivially palindromic in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240857) 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, 22668 + ... + 23964.

It is an arithmetic number, because the mean of its divisors is an integer number (1544620).

Almost surely, 2^30240852 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 30240852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37070880).

30240852 is an abundant number, since it is smaller than the sum of its proper divisors (43900908).

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

30240852 is a wasteful number, since it uses less digits than its factorization.

30240852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 30240852 is about 5499.1683007524. The cubic root of 30240852 is about 311.5525720128.

The spelling of 30240852 in words is "thirty million, two hundred forty thousand, eight hundred fifty-two".