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2005303 = 17117959
BaseRepresentation
bin111101001100100110111
310202212202111
413221210313
51003132203
6110551451
723021236
oct7514467
93685674
102005303
11114a683
12808587
13552991
143a2b1d
1529926d
hex1e9937

2005303 has 4 divisors (see below), whose sum is σ = 2123280. Its totient is φ = 1887328.

The previous prime is 2005277. The next prime is 2005319. The reversal of 2005303 is 3035002.

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

It is a cyclic number.

It is not a de Polignac number, because 2005303 - 29 = 2004791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005343) 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 3 ways as a sum of consecutive naturals, for example, 58963 + ... + 58996.

It is an arithmetic number, because the mean of its divisors is an integer number (530820).

22005303 is an apocalyptic number.

2005303 is a deficient number, since it is larger than the sum of its proper divisors (117977).

2005303 is a wasteful number, since it uses less digits than its factorization.

2005303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117976.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 2005303 is about 1416.0872148282. The cubic root of 2005303 is about 126.1033627362.

The spelling of 2005303 in words is "two million, five thousand, three hundred three".

Divisors: 1 17 117959 2005303