30282993 has 24 divisors (see below), whose sum is σ = 48117888. Its totient is φ = 18235872.

The previous prime is 30282971. The next prime is 30283013. The reversal of 30282993 is 39928203.

It is not a de Polignac number, because 30282993 - 2⁸ = 30282737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30282943) 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 23 ways as a sum of consecutive naturals, for example, 2746 + ... + 8252.

It is an arithmetic number, because the mean of its divisors is an integer number (2004912).

Almost surely, 2^30282993 is an apocalyptic number.

It is an amenable number.

30282993 is a deficient number, since it is larger than the sum of its proper divisors (17834895).

30282993 is a wasteful number, since it uses less digits than its factorization.

30282993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5570 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 30282993 is about 5502.9985462473. The cubic root of 30282993 is about 311.6972222927.

The spelling of 30282993 in words is "thirty million, two hundred eighty-two thousand, nine hundred ninety-three".