30016242 has 24 divisors (see below), whose sum is σ = 67863744. Its totient is φ = 9570264.

The previous prime is 30016241. The next prime is 30016267. The reversal of 30016242 is 24261003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30016241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 35838 + ... + 36665.

It is an arithmetic number, because the mean of its divisors is an integer number (2827656).

Almost surely, 2^30016242 is an apocalyptic number.

30016242 is an abundant number, since it is smaller than the sum of its proper divisors (37847502).

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

30016242 is a wasteful number, since it uses less digits than its factorization.

30016242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72534 (or 72531 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30016242 is about 5478.7080593877. The cubic root of 30016242 is about 310.7793156680.

Adding to 30016242 its reverse (24261003), we get a palindrome (54277245).

The spelling of 30016242 in words is "thirty million, sixteen thousand, two hundred forty-two".