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208101 = 371977
BaseRepresentation
bin110010110011100101
3101120110110
4302303211
523124401
64243233
71524465
oct626345
9346413
10208101
11132393
12a0519
137394a
1455ba5
15419d6
hex32ce5

208101 has 8 divisors (see below), whose sum is σ = 281664. Its totient is φ = 136640.

The previous prime is 208099. The next prime is 208111. The reversal of 208101 is 101802.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 208101 - 21 = 208099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (35208).

2208101 is an apocalyptic number.

It is an amenable number.

208101 is a deficient number, since it is larger than the sum of its proper divisors (73563).

208101 is an equidigital number, since it uses as much as digits as its factorization.

208101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 208101 is about 456.1808851760. The cubic root of 208101 is about 59.2595099478.

Adding to 208101 its reverse (101802), we get a palindrome (309903).

The spelling of 208101 in words is "two hundred eight thousand, one hundred one".

Divisors: 1 3 71 213 977 2931 69367 208101