Search a number
-
+
205196682 = 231071372333
BaseRepresentation
bin11000011101100…
…00110110001010
3112022010001221010
430032300312022
5410012243212
632210024350
75041100025
oct1416606612
9468101833
10205196682
11a5912339
12588780b6
1333686772
141d3761bc
151303403c
hexc3b0d8a

205196682 has 32 divisors (see below), whose sum is σ = 417431232. Its totient is φ = 67236224.

The previous prime is 205196671. The next prime is 205196687. The reversal of 205196682 is 286691502.

It is a self number, because there is not a number n which added to its sum of digits gives 205196682.

It is not an unprimeable number, because it can be changed into a prime (205196687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86788 + ... + 89120.

It is an arithmetic number, because the mean of its divisors is an integer number (13044726).

Almost surely, 2205196682 is an apocalyptic number.

205196682 is an abundant number, since it is smaller than the sum of its proper divisors (212234550).

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

205196682 is a wasteful number, since it uses less digits than its factorization.

205196682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 205196682 is about 14324.6878500022. The cubic root of 205196682 is about 589.8253643824.

The spelling of 205196682 in words is "two hundred five million, one hundred ninety-six thousand, six hundred eighty-two".

Divisors: 1 2 3 6 107 137 214 274 321 411 642 822 2333 4666 6999 13998 14659 29318 43977 87954 249631 319621 499262 639242 748893 958863 1497786 1917726 34199447 68398894 102598341 205196682