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208222 = 27107139
BaseRepresentation
bin110010110101011110
3101120121221
4302311132
523130342
64243554
71525030
oct626536
9346557
10208222
11132493
12a05ba
1373a11
1455c50
1541a67
hex32d5e

208222 has 16 divisors (see below), whose sum is σ = 362880. Its totient is φ = 87768.

The previous prime is 208217. The next prime is 208223. The reversal of 208222 is 222802.

208222 is a modest number, since divided by 222 gives 208 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 208196 and 208205.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2208222 is an apocalyptic number.

208222 is a deficient number, since it is larger than the sum of its proper divisors (154658).

208222 is a wasteful number, since it uses less digits than its factorization.

208222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 208222 is about 456.3134887333. The cubic root of 208222 is about 59.2709931722.

The spelling of 208222 in words is "two hundred eight thousand, two hundred twenty-two".

Divisors: 1 2 7 14 107 139 214 278 749 973 1498 1946 14873 29746 104111 208222