30242493 has 12 divisors (see below), whose sum is σ = 45583200. Its totient is φ = 19284936.

The previous prime is 30242491. The next prime is 30242497. The reversal of 30242493 is 39424203.

It is a happy number.

It is not a de Polignac number, because 30242493 - 2¹ = 30242491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72843 + ... + 73256.

It is an arithmetic number, because the mean of its divisors is an integer number (3798600).

Almost surely, 2^30242493 is an apocalyptic number.

It is an amenable number.

30242493 is a deficient number, since it is larger than the sum of its proper divisors (15340707).

30242493 is a wasteful number, since it uses less digits than its factorization.

30242493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146128 (or 146125 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 30242493 is about 5499.3175031089. The cubic root of 30242493 is about 311.5582073095.

Adding to 30242493 its reverse (39424203), we get a palindrome (69666696).

The spelling of 30242493 in words is "thirty million, two hundred forty-two thousand, four hundred ninety-three".