256294 has 4 divisors (see below), whose sum is σ = 384444. Its totient is φ = 128146.
The previous prime is 256279. The next prime is 256301. The reversal of 256294 is 492652.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×2562942 = 131373228872, which contains 22 as substring.
It is a d-powerful number, because it can be written as 23 + 55 + 217 + 66 + 95 + 47 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64072 + ... + 64075.
It is an arithmetic number, because the mean of its divisors is an integer number (96111).
2256294 is an apocalyptic number.
256294 is a deficient number, since it is larger than the sum of its proper divisors (128150).
256294 is a wasteful number, since it uses less digits than its factorization.
256294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128149.
The product of its digits is 4320, while the sum is 28.
The square root of 256294 is about 506.2548765197. The cubic root of 256294 is about 63.5203398582.
The spelling of 256294 in words is "two hundred fifty-six thousand, two hundred ninety-four".
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