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2000909 = 19531987
BaseRepresentation
bin111101000100000001101
310202122201202
413220200031
51003012114
6110515245
723002361
oct7504015
93678652
102000909
111147349
12805b25
13550991
143a12a1
15297cde
hex1e880d

2000909 has 8 divisors (see below), whose sum is σ = 2147040. Its totient is φ = 1858896.

The previous prime is 2000903. The next prime is 2000927. The reversal of 2000909 is 9090002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2000909 - 28 = 2000653 is a prime.

It is a Duffinian number.

2000909 is a modest number, since divided by 909 gives 200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000903) 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, 14 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (268380).

22000909 is an apocalyptic number.

It is an amenable number.

2000909 is a deficient number, since it is larger than the sum of its proper divisors (146131).

2000909 is a wasteful number, since it uses less digits than its factorization.

2000909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 2000909 is about 1414.5349058966. The cubic root of 2000909 is about 126.0111899023.

The spelling of 2000909 in words is "two million, nine hundred nine", and thus it is an aban number.

Divisors: 1 19 53 1007 1987 37753 105311 2000909