30193286 has 8 divisors (see below), whose sum is σ = 45385920. Its totient is φ = 15064648.

The previous prime is 30193283. The next prime is 30193297. The reversal of 30193286 is 68239103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30193283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14801 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (5673240).

Almost surely, 2^30193286 is an apocalyptic number.

30193286 is a deficient number, since it is larger than the sum of its proper divisors (15192634).

30193286 is a wasteful number, since it uses less digits than its factorization.

30193286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31998.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 30193286 is about 5494.8417629628. The cubic root of 30193286 is about 311.3891387181.

The spelling of 30193286 in words is "thirty million, one hundred ninety-three thousand, two hundred eighty-six".