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13243086 = 2326779139
BaseRepresentation
bin110010100001…
…001011001110
3220220211002200
4302201023032
511342234321
61151502330
7220364403
oct62411316
926824080
1013243086
1175257aa
1245279a6
132988a5c
141a8a2aa
151268d26
hexca12ce

13243086 has 48 divisors (see below), whose sum is σ = 29702400. Its totient is φ = 4262544.

The previous prime is 13243079. The next prime is 13243091. The reversal of 13243086 is 68034231.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 95205 + ... + 95343.

It is an arithmetic number, because the mean of its divisors is an integer number (618800).

Almost surely, 213243086 is an apocalyptic number.

13243086 is an abundant number, since it is smaller than the sum of its proper divisors (16459314).

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

13243086 is a wasteful number, since it uses less digits than its factorization.

13243086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 13243086 is about 3639.1051097763. The cubic root of 13243086 is about 236.5900084551.

The spelling of 13243086 in words is "thirteen million, two hundred forty-three thousand, eighty-six".

Divisors: 1 2 3 6 9 18 67 79 134 139 158 201 237 278 402 417 474 603 711 834 1206 1251 1422 2502 5293 9313 10586 10981 15879 18626 21962 27939 31758 32943 47637 55878 65886 83817 95274 98829 167634 197658 735727 1471454 2207181 4414362 6621543 13243086