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208896 = 212317
BaseRepresentation
bin110011000000000000
3101121112220
4303000000
523141041
64251040
71530012
oct630000
9347486
10208896
11132a46
12a0a80
137410c
14561b2
1541d66
hex33000

208896 has 52 divisors (see below), whose sum is σ = 589752. Its totient is φ = 65536.

The previous prime is 208891. The next prime is 208907. The reversal of 208896 is 698802.

It is a nialpdrome in base 8 and base 16.

It is a zygodrome in base 2 and base 16.

It is not an unprimeable number, because it can be changed into a prime (208891) by changing a digit.

In principle, a polygon with 208896 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12280 + ... + 12296.

208896 is a Friedman number, since it can be written as (60-9)*8^(8/2), using all its digits and the basic arithmetic operations.

2208896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294876).

208896 is an abundant number, since it is smaller than the sum of its proper divisors (380856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208896 is an equidigital number, since it uses as much as digits as its factorization.

208896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 208896 is about 457.0514194267. The cubic root of 208896 is about 59.3348763083.

The spelling of 208896 in words is "two hundred eight thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 384 408 512 544 768 816 1024 1088 1536 1632 2048 2176 3072 3264 4096 4352 6144 6528 8704 12288 13056 17408 26112 34816 52224 69632 104448 208896