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8255 = 513127
BaseRepresentation
bin10000000111111
3102022202
42000333
5231010
6102115
733032
oct20077
912282
108255
116225
12493b
1339b0
143019
1526a5
hex203f

8255 has 8 divisors (see below), whose sum is σ = 10752. Its totient is φ = 6048.

The previous prime is 8243. The next prime is 8263. The reversal of 8255 is 5528.

8255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8255 - 26 = 8191 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2 + ... + 128.

It is an arithmetic number, because the mean of its divisors is an integer number (1344).

28255 is an apocalyptic number.

8255 is a deficient number, since it is larger than the sum of its proper divisors (2497).

8255 is a wasteful number, since it uses less digits than its factorization.

8255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

The product of its digits is 400, while the sum is 20.

The square root of 8255 is about 90.8570305480. The cubic root of 8255 is about 20.2102813394.

The spelling of 8255 in words is "eight thousand, two hundred fifty-five".

Divisors: 1 5 13 65 127 635 1651 8255