30242 has 4 divisors (see below), whose sum is σ = 45366. Its totient is φ = 15120.

The previous prime is 30241. The next prime is 30253. The reversal of 30242 is 24203.

30242 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28561 + 1681 = 169^2 + 41^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (30241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7559 + ... + 7562.

2³⁰²⁴² is an apocalyptic number.

30242 is a deficient number, since it is larger than the sum of its proper divisors (15124).

30242 is a wasteful number, since it uses less digits than its factorization.

30242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15123.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 30242 is about 173.9022714055. The cubic root of 30242 is about 31.1556514338.

Adding to 30242 its reverse (24203), we get a palindrome (54445).

It can be divided in two parts, 30 and 242, that multiplied together give a triangular number (7260 = T₁₂₀).

The spelling of 30242 in words is "thirty thousand, two hundred forty-two".