242891650 has 24 divisors (see below), whose sum is σ = 452286900. Its totient is φ = 97047360.

The previous prime is 242891599. The next prime is 242891651. The reversal of 242891650 is 56198242.

It can be written as a sum of positive squares in 6 ways, for example, as 373321 + 242518329 = 611^2 + 15573^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (242891651) 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, 53676 + ... + 58024.

Almost surely, 2^242891650 is an apocalyptic number.

242891650 is a deficient number, since it is larger than the sum of its proper divisors (209395250).

242891650 is a wasteful number, since it uses less digits than its factorization.

242891650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478 (or 5473 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 242891650 is about 15584.9815527642. The cubic root of 242891650 is about 623.9323853568.

The spelling of 242891650 in words is "two hundred forty-two million, eight hundred ninety-one thousand, six hundred fifty".