288130 has 8 divisors (see below), whose sum is σ = 518652. Its totient is φ = 115248.

The previous prime is 288109. The next prime is 288137. The reversal of 288130 is 31882.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 18769 = 519^2 + 137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (288137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14397 + ... + 14416.

2²⁸⁸¹³⁰ is an apocalyptic number.

288130 is a deficient number, since it is larger than the sum of its proper divisors (230522).

288130 is a wasteful number, since it uses less digits than its factorization.

288130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28820.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 288130 is about 536.7774212837. Note that the first 3 decimals coincide. The cubic root of 288130 is about 66.0484798384.

The spelling of 288130 in words is "two hundred eighty-eight thousand, one hundred thirty".