30287082 has 64 divisors (see below), whose sum is σ = 72069120. Its totient is φ = 8306496.

The previous prime is 30287077. The next prime is 30287123. The reversal of 30287082 is 28078203.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 132144 + ... + 132372.

It is an arithmetic number, because the mean of its divisors is an integer number (1126080).

Almost surely, 2^30287082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30287082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36034560).

30287082 is an abundant number, since it is smaller than the sum of its proper divisors (41782038).

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

30287082 is a wasteful number, since it uses less digits than its factorization.

30287082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 30287082 is about 5503.3700584278. The cubic root of 30287082 is about 311.7112507671.

The spelling of 30287082 in words is "thirty million, two hundred eighty-seven thousand, eighty-two".