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2686086 = 232132883
BaseRepresentation
bin1010001111110010000110
312001110121200
422033302012
51141423321
6133323330
731555104
oct12176206
95043550
102686086
111575107
12a96546
13730800
144dcc74
15380d26
hex28fc86

2686086 has 36 divisors (see below), whose sum is σ = 6309108. Its totient is φ = 825552.

The previous prime is 2686063. The next prime is 2686111. The reversal of 2686086 is 6806862.

2686086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2686086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2601 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (175253).

22686086 is an apocalyptic number.

2686086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3154554).

2686086 is an abundant number, since it is smaller than the sum of its proper divisors (3623022).

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

2686086 is a wasteful number, since it uses less digits than its factorization.

2686086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2686086 is about 1638.9283083772. The cubic root of 2686086 is about 139.0080563969.

The spelling of 2686086 in words is "two million, six hundred eighty-six thousand, eighty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 169 234 338 507 883 1014 1521 1766 2649 3042 5298 7947 11479 15894 22958 34437 68874 103311 149227 206622 298454 447681 895362 1343043 2686086