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200105 = 5311291
BaseRepresentation
bin110000110110101001
3101011111022
4300312221
522400410
64142225
71462253
oct606651
9334438
10200105
11127384
1297975
1370109
1452cd3
153e455
hex30da9

200105 has 8 divisors (see below), whose sum is σ = 248064. Its totient is φ = 154800.

The previous prime is 200087. The next prime is 200117. The reversal of 200105 is 501002.

200105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 200105 - 26 = 200041 is a prime.

It is a super-2 number, since 2×2001052 = 80084022050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200092 and 200101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491 + ... + 800.

It is an arithmetic number, because the mean of its divisors is an integer number (31008).

2200105 is an apocalyptic number.

It is an amenable number.

200105 is a deficient number, since it is larger than the sum of its proper divisors (47959).

200105 is a wasteful number, since it uses less digits than its factorization.

200105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 200105 is about 447.3309736649. The cubic root of 200105 is about 58.4905870359.

Adding to 200105 its reverse (501002), we get a palindrome (701107).

The spelling of 200105 in words is "two hundred thousand, one hundred five".

Divisors: 1 5 31 155 1291 6455 40021 200105