30805282 has 4 divisors (see below), whose sum is σ = 46207926. Its totient is φ = 15402640.

The previous prime is 30805277. The next prime is 30805297. The reversal of 30805282 is 28250803.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26306641 + 4498641 = 5129^2 + 2121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30805282.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7701319 + ... + 7701322.

Almost surely, 2^30805282 is an apocalyptic number.

30805282 is a deficient number, since it is larger than the sum of its proper divisors (15402644).

30805282 is a wasteful number, since it uses less digits than its factorization.

30805282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15402643.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 30805282 is about 5550.2506249718. The cubic root of 30805282 is about 313.4789592683.

The spelling of 30805282 in words is "thirty million, eight hundred five thousand, two hundred eighty-two".