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2005982 = 211194799
BaseRepresentation
bin111101001101111011110
310202220200122
413221233132
51003142412
6110554542
723023226
oct7515736
93686618
102005982
111150140
12808a52
13553094
143a3086
15299572
hex1e9bde

2005982 has 16 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 863640.

The previous prime is 2005981. The next prime is 2006009. The reversal of 2005982 is 2895002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (216000).

22005982 is an apocalyptic number.

2005982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2005982 is a deficient number, since it is larger than the sum of its proper divisors (1450018).

2005982 is a wasteful number, since it uses less digits than its factorization.

2005982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2005982 is about 1416.3269396576. The cubic root of 2005982 is about 126.1175940886.

The spelling of 2005982 in words is "two million, five thousand, nine hundred eighty-two".

Divisors: 1 2 11 19 22 38 209 418 4799 9598 52789 91181 105578 182362 1002991 2005982