256194 has 24 divisors (see below), whose sum is σ = 569712. Its totient is φ = 83160.
The previous prime is 256189. The next prime is 256199. The reversal of 256194 is 491652.
256194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (256189) and next prime (256199).
It is an Ulam number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (256199) 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, 609 + ... + 939.
It is an arithmetic number, because the mean of its divisors is an integer number (23738).
2256194 is an apocalyptic number.
256194 is an abundant number, since it is smaller than the sum of its proper divisors (313518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
256194 is a wasteful number, since it uses less digits than its factorization.
256194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382 (or 379 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 256194 is about 506.1561024032. The cubic root of 256194 is about 63.5120773936.
The spelling of 256194 in words is "two hundred fifty-six thousand, one hundred ninety-four".
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