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206000 = 2453103
BaseRepresentation
bin110010010010110000
3101110120122
4302102300
523043000
64225412
71515404
oct622260
9343518
10206000
11130853
129b268
13729c2
1455104
1541085
hex324b0

206000 has 40 divisors (see below), whose sum is σ = 502944. Its totient is φ = 81600.

The previous prime is 205993. The next prime is 206009. The reversal of 206000 is 602.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (206009) by changing a digit.

206000 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949 + ... + 2051.

2206000 is an apocalyptic number.

206000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251472).

206000 is an abundant number, since it is smaller than the sum of its proper divisors (296944).

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

206000 is a wasteful number, since it uses less digits than its factorization.

206000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 206000 is about 453.8722287164. The cubic root of 206000 is about 59.0594058362.

Adding to 206000 its reverse (602), we get a palindrome (206602).

The spelling of 206000 in words is "two hundred six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 103 125 200 206 250 400 412 500 515 824 1000 1030 1648 2000 2060 2575 4120 5150 8240 10300 12875 20600 25750 41200 51500 103000 206000