Search a number
-
+
206982 = 2333833
BaseRepresentation
bin110010100010000110
3101111221000
4302202012
523110412
64234130
71521306
oct624206
9344830
10206982
11131566
129b946
1373299
1455606
15414dc
hex32886

206982 has 16 divisors (see below), whose sum is σ = 460080. Its totient is φ = 68976.

The previous prime is 206953. The next prime is 206993. The reversal of 206982 is 289602.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206982.

It is an unprimeable number.

206982 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, 1863 + ... + 1970.

It is an arithmetic number, because the mean of its divisors is an integer number (28755).

2206982 is an apocalyptic number.

206982 is an abundant number, since it is smaller than the sum of its proper divisors (253098).

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

206982 is a wasteful number, since it uses less digits than its factorization.

206982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 206982 is about 454.9527447988. The cubic root of 206982 is about 59.1531023149.

The spelling of 206982 in words is "two hundred six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 3833 7666 11499 22998 34497 68994 103491 206982