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2020836 = 223295807
BaseRepresentation
bin111101101010111100100
310210200001210
413231113210
51004131321
6111151420
723114436
oct7552744
93720053
102020836
111160314
12815570
13559a7c
143a8656
1529db76
hex1ed5e4

2020836 has 24 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 650272.

The previous prime is 2020831. The next prime is 2020853. The reversal of 2020836 is 6380202.

It is not an unprimeable number, because it can be changed into a prime (2020831) 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 7 ways as a sum of consecutive naturals, for example, 2556 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (203280).

22020836 is an apocalyptic number.

It is an amenable number.

2020836 is an abundant number, since it is smaller than the sum of its proper divisors (2857884).

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

2020836 is a wasteful number, since it uses less digits than its factorization.

2020836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843 (or 5841 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2020836 is about 1421.5611137056. The cubic root of 2020836 is about 126.4281229151.

The spelling of 2020836 in words is "two million, twenty thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 5807 11614 17421 23228 34842 69684 168403 336806 505209 673612 1010418 2020836