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2085849 = 321713633
BaseRepresentation
bin111111101001111011001
310220222020200
413331033121
51013221344
6112412413
723505123
oct7751731
93828220
102085849
1111a5147
12847109
1358053c
143c4213
152b3069
hex1fd3d9

2085849 has 12 divisors (see below), whose sum is σ = 3190356. Its totient is φ = 1308672.

The previous prime is 2085841. The next prime is 2085857. The reversal of 2085849 is 9485802.

It is an interprime number because it is at equal distance from previous prime (2085841) and next prime (2085857).

It can be written as a sum of positive squares in 2 ways, for example, as 1550025 + 535824 = 1245^2 + 732^2 .

It is not a de Polignac number, because 2085849 - 23 = 2085841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2085841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6664 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (265863).

22085849 is an apocalyptic number.

It is an amenable number.

2085849 is a deficient number, since it is larger than the sum of its proper divisors (1104507).

2085849 is a wasteful number, since it uses less digits than its factorization.

2085849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656 (or 13653 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2085849 is about 1444.2468625550. The cubic root of 2085849 is about 127.7696254968.

The spelling of 2085849 in words is "two million, eighty-five thousand, eight hundred forty-nine".

Divisors: 1 3 9 17 51 153 13633 40899 122697 231761 695283 2085849