30785050 has 24 divisors (see below), whose sum is σ = 58345596. Its totient is φ = 12080640.

The previous prime is 30784991. The next prime is 30785057. The reversal of 30785050 is 5058703.

It can be written as a sum of positive squares in 6 ways, for example, as 12131289 + 18653761 = 3483^2 + 4319^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30785057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3159 + ... + 8458.

Almost surely, 2^30785050 is an apocalyptic number.

30785050 is a deficient number, since it is larger than the sum of its proper divisors (27560546).

30785050 is a wasteful number, since it uses less digits than its factorization.

30785050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682 (or 11677 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 30785050 is about 5548.4277052152. The cubic root of 30785050 is about 313.4103163292.

It can be divided in two parts, 3078 and 5050, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 30785050 in words is "thirty million, seven hundred eighty-five thousand, fifty".