30893045 has 8 divisors (see below), whose sum is σ = 37454424. Its totient is φ = 24459264.

The previous prime is 30893017. The next prime is 30893059. The reversal of 30893045 is 54039803.

30893045 = 3208² + 3209² + 3210².

It can be written as a sum of positive squares in 4 ways, for example, as 1681 + 30891364 = 41^2 + 5558^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30893045 - 2⁸ = 30892789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31364 + ... + 32333.

It is an arithmetic number, because the mean of its divisors is an integer number (4681803).

Almost surely, 2^30893045 is an apocalyptic number.

It is an amenable number.

30893045 is a deficient number, since it is larger than the sum of its proper divisors (6561379).

30893045 is an equidigital number, since it uses as much as digits as its factorization.

30893045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63799.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30893045 is about 5558.1512214045. The cubic root of 30893045 is about 313.7763732903.

The spelling of 30893045 in words is "thirty million, eight hundred ninety-three thousand, forty-five".