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200106 = 23211117
BaseRepresentation
bin110000110110101010
3101011111100
4300312222
522400411
64142230
71462254
oct606652
9334440
10200106
11127385
1297976
137010a
1452cd4
153e456
hex30daa

200106 has 12 divisors (see below), whose sum is σ = 433602. Its totient is φ = 66696.

The previous prime is 200087. The next prime is 200117. The reversal of 200106 is 601002.

Adding to 200106 its reverse (601002), we get a palindrome (801108).

200106 = T108 + T109 + ... + T134.

200106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 194481 + 5625 = 441^2 + 75^2 .

It is a super-2 number, since 2×2001062 = 80084822472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5541 + ... + 5576.

2200106 is an apocalyptic number.

200106 is an abundant number, since it is smaller than the sum of its proper divisors (233496).

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

200106 is a wasteful number, since it uses less digits than its factorization.

200106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11125 (or 11122 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 200106 is about 447.3320914041. The cubic root of 200106 is about 58.4906844689.

The spelling of 200106 in words is "two hundred thousand, one hundred six".

Divisors: 1 2 3 6 9 18 11117 22234 33351 66702 100053 200106