230285 has 16 divisors (see below), whose sum is σ = 311040. Its totient is φ = 162240.
The previous prime is 230281. The next prime is 230291. The reversal of 230285 is 582032.
230285 = T301 + T302 + ... + T305.
230285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 230285 - 22 = 230281 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2876 + ... + 2954.
It is an arithmetic number, because the mean of its divisors is an integer number (19440).
2230285 is an apocalyptic number.
It is an amenable number.
230285 is a deficient number, since it is larger than the sum of its proper divisors (80755).
230285 is a wasteful number, since it uses less digits than its factorization.
230285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 230285 is about 479.8801933816. The cubic root of 230285 is about 61.2945531736.
It can be divided in two parts, 230 and 285, that added together give a palindrome (515).
The spelling of 230285 in words is "two hundred thirty thousand, two hundred eighty-five".
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