268393250 has 16 divisors (see below), whose sum is σ = 502432632. Its totient is φ = 107357200.

The previous prime is 268393249. The next prime is 268393303. The reversal of 268393250 is 52393862.

It can be written as a sum of positive squares in 4 ways, for example, as 132181009 + 136212241 = 11497^2 + 11671^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536537 + ... + 537036.

Almost surely, 2^268393250 is an apocalyptic number.

268393250 is a deficient number, since it is larger than the sum of its proper divisors (234039382).

268393250 is a wasteful number, since it uses less digits than its factorization.

268393250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073590 (or 1073580 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 268393250 is about 16382.7119244648. The cubic root of 268393250 is about 645.0457672390.

The spelling of 268393250 in words is "two hundred sixty-eight million, three hundred ninety-three thousand, two hundred fifty".