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208984 = 23151173
BaseRepresentation
bin110011000001011000
3101121200011
4303001120
523141414
64251304
71530166
oct630130
9347604
10208984
11133016
12a0b34
1374179
1456236
1541dc4
hex33058

208984 has 16 divisors (see below), whose sum is σ = 396720. Its totient is φ = 103200.

The previous prime is 208963. The next prime is 208991. The reversal of 208984 is 489802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122 + ... + 1294.

It is an arithmetic number, because the mean of its divisors is an integer number (24795).

2208984 is an apocalyptic number.

It is an amenable number.

208984 is a deficient number, since it is larger than the sum of its proper divisors (187736).

208984 is a wasteful number, since it uses less digits than its factorization.

208984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 208984 is about 457.1476785460. The cubic root of 208984 is about 59.3432069865.

It can be divided in two parts, 20898 and 4, that added together give a palindrome (20902).

The spelling of 208984 in words is "two hundred eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 151 173 302 346 604 692 1208 1384 26123 52246 104492 208984