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208712 = 2373727
BaseRepresentation
bin110010111101001000
3101121022002
4302331020
523134322
64250132
71526330
oct627510
9347262
10208712
11132899
12a0948
1373cca
14560c0
1541c92
hex32f48

208712 has 16 divisors (see below), whose sum is σ = 447360. Its totient is φ = 89424.

The previous prime is 208699. The next prime is 208721. The reversal of 208712 is 217802.

208712 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

208712 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (27960).

2208712 is an apocalyptic number.

It is an amenable number.

208712 is an abundant number, since it is smaller than the sum of its proper divisors (238648).

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

208712 is a wasteful number, since it uses less digits than its factorization.

208712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 208712 is about 456.8500848200. The cubic root of 208712 is about 59.3174500542.

The spelling of 208712 in words is "two hundred eight thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 3727 7454 14908 26089 29816 52178 104356 208712