30328245 has 12 divisors (see below), whose sum is σ = 52569036. Its totient is φ = 16175040.

The previous prime is 30328231. The next prime is 30328253. The reversal of 30328245 is 54282303.

It can be written as a sum of positive squares in 2 ways, for example, as 3048516 + 27279729 = 1746^2 + 5223^2 .

It is not a de Polignac number, because 30328245 - 2⁸ = 30327989 is a prime.

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, 336936 + ... + 337025.

It is an arithmetic number, because the mean of its divisors is an integer number (4380753).

Almost surely, 2^30328245 is an apocalyptic number.

It is an amenable number.

30328245 is a deficient number, since it is larger than the sum of its proper divisors (22240791).

30328245 is a wasteful number, since it uses less digits than its factorization.

30328245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673972 (or 673969 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 30328245 is about 5507.1085879979. The cubic root of 30328245 is about 311.8524018335.

The spelling of 30328245 in words is "thirty million, three hundred twenty-eight thousand, two hundred forty-five".