30152782 has 16 divisors (see below), whose sum is σ = 49542192. Its totient is φ = 13649920.

The previous prime is 30152767. The next prime is 30152809. The reversal of 30152782 is 28725103.

It is a self number, because there is not a number n which added to its sum of digits gives 30152782.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 2988 + ... + 8320.

It is an arithmetic number, because the mean of its divisors is an integer number (3096387).

Almost surely, 2^30152782 is an apocalyptic number.

30152782 is a deficient number, since it is larger than the sum of its proper divisors (19389410).

30152782 is a wasteful number, since it uses less digits than its factorization.

30152782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 30152782 is about 5491.1548876352. The cubic root of 30152782 is about 311.2498345725.

Adding to 30152782 its reverse (28725103), we get a palindrome (58877885).

The spelling of 30152782 in words is "thirty million, one hundred fifty-two thousand, seven hundred eighty-two".