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208898 = 2149701
BaseRepresentation
bin110011000000000010
3101121112222
4303000002
523141043
64251042
71530014
oct630002
9347488
10208898
11132a48
12a0a82
1374111
14561b4
1541d68
hex33002

208898 has 8 divisors (see below), whose sum is σ = 315900. Its totient is φ = 103600.

The previous prime is 208891. The next prime is 208907. The reversal of 208898 is 898802.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 49 = 457^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (208891) by changing a digit.

208898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 648.

2208898 is an apocalyptic number.

208898 is a deficient number, since it is larger than the sum of its proper divisors (107002).

208898 is a wasteful number, since it uses less digits than its factorization.

208898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 208898 is about 457.0536073591. The cubic root of 208898 is about 59.3350656678.

The spelling of 208898 in words is "two hundred eight thousand, eight hundred ninety-eight".

Divisors: 1 2 149 298 701 1402 104449 208898