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200982 = 23194143
BaseRepresentation
bin110001000100010110
3101012200210
4301010112
522412412
64150250
71464645
oct610426
9335623
10200982
11128001
1298386
1370632
145335c
153e83c
hex31116

200982 has 32 divisors (see below), whose sum is σ = 443520. Its totient is φ = 60480.

The previous prime is 200971. The next prime is 200983. The reversal of 200982 is 289002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200983) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4653 + ... + 4695.

It is an arithmetic number, because the mean of its divisors is an integer number (13860).

2200982 is an apocalyptic number.

200982 is an abundant number, since it is smaller than the sum of its proper divisors (242538).

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

200982 is a wasteful number, since it uses less digits than its factorization.

200982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 200982 is about 448.3101604916. The cubic root of 200982 is about 58.5759113874.

Adding to 200982 its reverse (289002), we get a palindrome (489984).

It can be divided in two parts, 20098 and 2, that added together give a triangular number (20100 = T200).

The spelling of 200982 in words is "two hundred thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 19 38 41 43 57 82 86 114 123 129 246 258 779 817 1558 1634 1763 2337 2451 3526 4674 4902 5289 10578 33497 66994 100491 200982