30001442 has 8 divisors (see below), whose sum is σ = 45156636. Its totient is φ = 14949232.

The previous prime is 30001427. The next prime is 30001451. The reversal of 30001442 is 24410003.

It can be written as a sum of positive squares in 2 ways, for example, as 19882681 + 10118761 = 4459^2 + 3181^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25013 + ... + 26184.

Almost surely, 2^30001442 is an apocalyptic number.

30001442 is a deficient number, since it is larger than the sum of its proper divisors (15155194).

30001442 is a wasteful number, since it uses less digits than its factorization.

30001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51492.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30001442 is about 5477.3572094579. The cubic root of 30001442 is about 310.7282289926.

Adding to 30001442 its reverse (24410003), we get a palindrome (54411445).

The spelling of 30001442 in words is "thirty million, one thousand, four hundred forty-two".