18030254 has 16 divisors (see below), whose sum is σ = 29569536. Its totient is φ = 8177400.

The previous prime is 18030241. The next prime is 18030293. The reversal of 18030254 is 45203081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17699 + ... + 18689.

It is an arithmetic number, because the mean of its divisors is an integer number (1848096).

Almost surely, 2^18030254 is an apocalyptic number.

18030254 is a deficient number, since it is larger than the sum of its proper divisors (11539282).

18030254 is a wasteful number, since it uses less digits than its factorization.

18030254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 18030254 is about 4246.2046582801. The cubic root of 18030254 is about 262.2208866983.

The spelling of 18030254 in words is "eighteen million, thirty thousand, two hundred fifty-four".