30082042 has 8 divisors (see below), whose sum is σ = 45570132. Its totient is φ = 14892000.

The previous prime is 30082037. The next prime is 30082043. The reversal of 30082042 is 24028003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27154521 + 2927521 = 5211^2 + 1711^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30082043) 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, 74259 + ... + 74662.

Almost surely, 2^30082042 is an apocalyptic number.

30082042 is a deficient number, since it is larger than the sum of its proper divisors (15488090).

30082042 is a wasteful number, since it uses less digits than its factorization.

30082042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149024.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 30082042 is about 5484.7098373569. The cubic root of 30082042 is about 311.0062411943.

It can be divided in two parts, 3008 and 2042, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 30082042 in words is "thirty million, eighty-two thousand, forty-two".