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13540086 = 2327412621
BaseRepresentation
bin110011101001…
…101011110110
3221110220111200
4303221223312
511431240321
61202113330
7223042320
oct63515366
927426450
1013540086
11770895a
12464b846
132a60cb1
141b26610
1512c6d26
hexce9af6

13540086 has 48 divisors (see below), whose sum is σ = 34358688. Its totient is φ = 3772800.

The previous prime is 13540073. The next prime is 13540091. The reversal of 13540086 is 68004531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3856 + ... + 6476.

It is an arithmetic number, because the mean of its divisors is an integer number (715806).

Almost surely, 213540086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13540086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17179344).

13540086 is an abundant number, since it is smaller than the sum of its proper divisors (20818602).

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

13540086 is a wasteful number, since it uses less digits than its factorization.

13540086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13540086 is about 3679.6855843944. The cubic root of 13540086 is about 238.3456010551.

The spelling of 13540086 in words is "thirteen million, five hundred forty thousand, eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 41 42 63 82 123 126 246 287 369 574 738 861 1722 2583 2621 5166 5242 7863 15726 18347 23589 36694 47178 55041 107461 110082 165123 214922 322383 330246 644766 752227 967149 1504454 1934298 2256681 4513362 6770043 13540086