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163255 = 5103317
BaseRepresentation
bin100111110110110111
322021221111
4213312313
520211010
63255451
71246651
oct476667
9267844
10163255
11101724
127a587
1359401
14436d1
153358a
hex27db7

163255 has 8 divisors (see below), whose sum is σ = 198432. Its totient is φ = 128928.

The previous prime is 163249. The next prime is 163259. The reversal of 163255 is 552361.

It is a happy number.

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 163255 - 25 = 163223 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 673.

It is an arithmetic number, because the mean of its divisors is an integer number (24804).

163255 is a Friedman number, since it can be written as 32651*5, using all its digits and the basic arithmetic operations.

2163255 is an apocalyptic number.

163255 is a deficient number, since it is larger than the sum of its proper divisors (35177).

163255 is a wasteful number, since it uses less digits than its factorization.

163255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 900, while the sum is 22.

The square root of 163255 is about 404.0482644437. The cubic root of 163255 is about 54.6540265904.

The spelling of 163255 in words is "one hundred sixty-three thousand, two hundred fifty-five".

Divisors: 1 5 103 317 515 1585 32651 163255