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2005283 = 7286469
BaseRepresentation
bin111101001100100100011
310202212201202
413221210203
51003132113
6110551415
723021210
oct7514443
93685652
102005283
11114a665
1280856b
13552977
143a2b07
15299258
hex1e9923

2005283 has 4 divisors (see below), whose sum is σ = 2291760. Its totient is φ = 1718808.

The previous prime is 2005277. The next prime is 2005319. The reversal of 2005283 is 3825002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2005283 - 28 = 2005027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143228 + ... + 143241.

It is an arithmetic number, because the mean of its divisors is an integer number (572940).

22005283 is an apocalyptic number.

2005283 is a deficient number, since it is larger than the sum of its proper divisors (286477).

2005283 is an equidigital number, since it uses as much as digits as its factorization.

2005283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286476.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2005283 is about 1416.0801530987. The cubic root of 2005283 is about 126.1029435018.

The spelling of 2005283 in words is "two million, five thousand, two hundred eighty-three".

Divisors: 1 7 286469 2005283