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2086985 = 52937389
BaseRepresentation
bin111111101100001001001
310221000210202
413331201021
51013240420
6112421545
723511335
oct7754111
93830722
102086985
1111a5a8a
128478b5
13580c04
143c47c5
152b3575
hex1fd849

2086985 has 16 divisors (see below), whose sum is σ = 2667600. Its totient is φ = 1564416.

The previous prime is 2086969. The next prime is 2087011. The reversal of 2086985 is 5896802.

It can be written as a sum of positive squares in 8 ways, for example, as 1849 + 2085136 = 43^2 + 1444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086985 - 24 = 2086969 is a prime.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5171 + ... + 5559.

It is an arithmetic number, because the mean of its divisors is an integer number (166725).

22086985 is an apocalyptic number.

It is an amenable number.

2086985 is a deficient number, since it is larger than the sum of its proper divisors (580615).

2086985 is a wasteful number, since it uses less digits than its factorization.

2086985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2086985 is about 1444.6400935873. The cubic root of 2086985 is about 127.7928166854.

The spelling of 2086985 in words is "two million, eighty-six thousand, nine hundred eighty-five".

Divisors: 1 5 29 37 145 185 389 1073 1945 5365 11281 14393 56405 71965 417397 2086985