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208304 = 2447277
BaseRepresentation
bin110010110110110000
3101120201222
4302312300
523131204
64244212
71525205
oct626660
9346658
10208304
11132558
12a0668
1373a75
1455cac
1541abe
hex32db0

208304 has 20 divisors (see below), whose sum is σ = 413664. Its totient is φ = 101568.

The previous prime is 208291. The next prime is 208309. The reversal of 208304 is 403802.

208304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614 + ... + 890.

2208304 is an apocalyptic number.

It is an amenable number.

208304 is a deficient number, since it is larger than the sum of its proper divisors (205360).

208304 is a wasteful number, since it uses less digits than its factorization.

208304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 208304 is about 456.4033303998. The cubic root of 208304 is about 59.2787726633.

It can be divided in two parts, 208 and 304, that added together give a 9-th power (512 = 29).

The spelling of 208304 in words is "two hundred eight thousand, three hundred four".

Divisors: 1 2 4 8 16 47 94 188 277 376 554 752 1108 2216 4432 13019 26038 52076 104152 208304