30501242 has 8 divisors (see below), whose sum is σ = 46008000. Its totient is φ = 15165244.

The previous prime is 30501239. The next prime is 30501257. The reversal of 30501242 is 24210503.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30501242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42242 + ... + 42957.

It is an arithmetic number, because the mean of its divisors is an integer number (5751000).

Almost surely, 2^30501242 is an apocalyptic number.

30501242 is a deficient number, since it is larger than the sum of its proper divisors (15506758).

30501242 is a wasteful number, since it uses less digits than its factorization.

30501242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85380.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30501242 is about 5522.7929528455. The cubic root of 30501242 is about 312.4442294074. Note that the first 3 decimals are identical.

Adding to 30501242 its reverse (24210503), we get a palindrome (54711745).

The spelling of 30501242 in words is "thirty million, five hundred one thousand, two hundred forty-two".