30000542 has 24 divisors (see below), whose sum is σ = 53165160. Its totient is φ = 12586080.

The previous prime is 30000521. The next prime is 30000571. The reversal of 30000542 is 24500003.

30000542 is a modest number, since divided by 542 gives 300 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317 + ... + 7752.

It is an arithmetic number, because the mean of its divisors is an integer number (2215215).

Almost surely, 2^30000542 is an apocalyptic number.

30000542 is a deficient number, since it is larger than the sum of its proper divisors (23164618).

30000542 is a wasteful number, since it uses less digits than its factorization.

30000542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108 (or 8095 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 30000542 is about 5477.2750524326. The cubic root of 30000542 is about 310.7251218286.

Adding to 30000542 its reverse (24500003), we get a palindrome (54500545).

The spelling of 30000542 in words is "thirty million, five hundred forty-two", and thus it is an aban number.