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208225 = 528329
BaseRepresentation
bin110010110101100001
3101120122001
4302311201
523130400
64244001
71525033
oct626541
9346561
10208225
11132496
12a0601
1373a14
1455c53
1541a6a
hex32d61

208225 has 6 divisors (see below), whose sum is σ = 258230. Its totient is φ = 166560.

The previous prime is 208223. The next prime is 208231. The reversal of 208225 is 522802.

208225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 289 + 207936 = 17^2 + 456^2 .

It is not a de Polignac number, because 208225 - 21 = 208223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4140 + ... + 4189.

2208225 is an apocalyptic number.

208225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

208225 is a deficient number, since it is larger than the sum of its proper divisors (50005).

208225 is an equidigital number, since it uses as much as digits as its factorization.

208225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339 (or 8334 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 208225 is about 456.3167759353. The cubic root of 208225 is about 59.2712778237.

The spelling of 208225 in words is "two hundred eight thousand, two hundred twenty-five".

Divisors: 1 5 25 8329 41645 208225