30342160 has 20 divisors (see below), whose sum is σ = 70545708. Its totient is φ = 12136832.

The previous prime is 30342157. The next prime is 30342167. The reversal of 30342160 is 6124303.

It can be written as a sum of positive squares in 2 ways, for example, as 11262736 + 19079424 = 3356^2 + 4368^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×30342160⁴ (a number of 31 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (30342167) 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, 189559 + ... + 189718.

Almost surely, 2^30342160 is an apocalyptic number.

It is an amenable number.

30342160 is an abundant number, since it is smaller than the sum of its proper divisors (40203548).

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

30342160 is a wasteful number, since it uses less digits than its factorization.

30342160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379290 (or 379284 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30342160 is about 5508.3718102539. The cubic root of 30342160 is about 311.9000885436.

Adding to 30342160 its reverse (6124303), we get a palindrome (36466463).

The spelling of 30342160 in words is "thirty million, three hundred forty-two thousand, one hundred sixty".