30490242 has 8 divisors (see below), whose sum is σ = 60980496. Its totient is φ = 10163412.

The previous prime is 30490241. The next prime is 30490277. The reversal of 30490242 is 24209403.

It is a happy number.

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

30490242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30490241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540848 + ... + 2540859.

It is an arithmetic number, because the mean of its divisors is an integer number (7622562).

Almost surely, 2^30490242 is an apocalyptic number.

30490242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30490242 is a wasteful number, since it uses less digits than its factorization.

30490242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081712.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30490242 is about 5521.7969901111. The cubic root of 30490242 is about 312.4066648194.

Adding to 30490242 its reverse (24209403), we get a palindrome (54699645).

The spelling of 30490242 in words is "thirty million, four hundred ninety thousand, two hundred forty-two".