30926144 has 14 divisors (see below), whose sum is σ = 61369194. Its totient is φ = 15463040.

The previous prime is 30926143. The next prime is 30926149. The reversal of 30926144 is 44162903.

It can be written as a sum of positive squares in only one way, i.e., 30913600 + 12544 = 5560^2 + 112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30926143) 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 as a sum of consecutive naturals, namely, 241547 + ... + 241674.

Almost surely, 2^30926144 is an apocalyptic number.

It is an amenable number.

30926144 is a deficient number, since it is larger than the sum of its proper divisors (30443050).

30926144 is an equidigital number, since it uses as much as digits as its factorization.

30926144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483233 (or 483223 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30926144 is about 5561.1279431425. The cubic root of 30926144 is about 313.8883939440. Note that the first 3 decimals are identical.

The spelling of 30926144 in words is "thirty million, nine hundred twenty-six thousand, one hundred forty-four".