30268288 has 16 divisors (see below), whose sum is σ = 60300360. Its totient is φ = 15134080.

The previous prime is 30268243. The next prime is 30268289. The reversal of 30268288 is 88286203.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30268289) 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 as a sum of consecutive naturals, namely, 118108 + ... + 118363.

Almost surely, 2^30268288 is an apocalyptic number.

It is an amenable number.

30268288 is a deficient number, since it is larger than the sum of its proper divisors (30032072).

30268288 is an equidigital number, since it uses as much as digits as its factorization.

30268288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236485 (or 236473 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 30268288 is about 5501.6622942525. The cubic root of 30268288 is about 311.6467621796.

The spelling of 30268288 in words is "thirty million, two hundred sixty-eight thousand, two hundred eighty-eight".