242987256 has 64 divisors (see below), whose sum is σ = 714679200. Its totient is φ = 76230144.

The previous prime is 242987233. The next prime is 242987287. The reversal of 242987256 is 652789242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29415 + ... + 36758.

Almost surely, 2^242987256 is an apocalyptic number.

It is an amenable number.

242987256 is an abundant number, since it is smaller than the sum of its proper divisors (471691944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242987256 is a wasteful number, since it uses less digits than its factorization.

242987256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66205 (or 66195 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 242987256 is about 15588.0484987698. The cubic root of 242987256 is about 624.0142378408.

The spelling of 242987256 in words is "two hundred forty-two million, nine hundred eighty-seven thousand, two hundred fifty-six".