30286244 has 12 divisors (see below), whose sum is σ = 53041884. Its totient is φ = 15131424.

The previous prime is 30286241. The next prime is 30286253. The reversal of 30286244 is 44268203.

It can be written as a sum of positive squares in 2 ways, for example, as 22657600 + 7628644 = 4760^2 + 2762^2 .

It is not an unprimeable number, because it can be changed into a prime (30286241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5774 + ... + 9690.

It is an arithmetic number, because the mean of its divisors is an integer number (4420157).

Almost surely, 2^30286244 is an apocalyptic number.

It is an amenable number.

30286244 is a deficient number, since it is larger than the sum of its proper divisors (22755640).

30286244 is a wasteful number, since it uses less digits than its factorization.

30286244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 30286244 is about 5503.2939227339. The cubic root of 30286244 is about 311.7083758733.

The spelling of 30286244 in words is "thirty million, two hundred eighty-six thousand, two hundred forty-four".