30502042 has 8 divisors (see below), whose sum is σ = 45792576. Its totient is φ = 15237852.

The previous prime is 30502019. The next prime is 30502051. The reversal of 30502042 is 24020503.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3378 + ... + 8509.

It is an arithmetic number, because the mean of its divisors is an integer number (5724072).

Almost surely, 2^30502042 is an apocalyptic number.

30502042 is a deficient number, since it is larger than the sum of its proper divisors (15290534).

30502042 is a wasteful number, since it uses less digits than its factorization.

30502042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30502042 is about 5522.8653794928. The cubic root of 30502042 is about 312.4469610252.

Adding to 30502042 its reverse (24020503), we get a palindrome (54522545).

The spelling of 30502042 in words is "thirty million, five hundred two thousand, forty-two".