30244160 has 28 divisors (see below), whose sum is σ = 72019668. Its totient is φ = 12097536.

The previous prime is 30244153. The next prime is 30244163. The reversal of 30244160 is 6144203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19642624 + 10601536 = 4432^2 + 3256^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30244163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46937 + ... + 47576.

It is an arithmetic number, because the mean of its divisors is an integer number (2572131).

Almost surely, 2^30244160 is an apocalyptic number.

It is an amenable number.

30244160 is an abundant number, since it is smaller than the sum of its proper divisors (41775508).

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

30244160 is an equidigital number, since it uses as much as digits as its factorization.

30244160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94530 (or 94520 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30244160 is about 5499.4690652826. The cubic root of 30244160 is about 311.5639316832.

Adding to 30244160 its reverse (6144203), we get a palindrome (36388363).

The spelling of 30244160 in words is "thirty million, two hundred forty-four thousand, one hundred sixty".