30683293 has 6 divisors (see below), whose sum is σ = 31451642. Its totient is φ = 29933280.

The previous prime is 30683291. The next prime is 30683297. The reversal of 30683293 is 39238603.

It can be written as a sum of positive squares in 3 ways, for example, as 8054244 + 22629049 = 2838^2 + 4757^2 .

It is not a de Polignac number, because 30683293 - 2¹ = 30683291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30683291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7446 + ... + 10807.

Almost surely, 2^30683293 is an apocalyptic number.

It is an amenable number.

30683293 is a deficient number, since it is larger than the sum of its proper divisors (768349).

30683293 is an equidigital number, since it uses as much as digits as its factorization.

30683293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18335 (or 18294 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 30683293 is about 5539.2502200208. The cubic root of 30683293 is about 313.0646193482.

It can be divided in two parts, 30683 and 293, that added together give a square (30976 = 176²).

The spelling of 30683293 in words is "thirty million, six hundred eighty-three thousand, two hundred ninety-three".