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13288065 = 3572101179
BaseRepresentation
bin110010101100…
…001010000001
3221000002210120
4302230022001
511400204230
61152450453
7220642500
oct62541201
927002716
1013288065
11755657a
124549a29
1329a337b
141a9c837
151277310
hexcac281

13288065 has 48 divisors (see below), whose sum is σ = 25116480. Its totient is φ = 5980800.

The previous prime is 13288063. The next prime is 13288103. The reversal of 13288065 is 56088231.

It is a happy number.

It is not a de Polignac number, because 13288065 - 21 = 13288063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13288063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74146 + ... + 74324.

It is an arithmetic number, because the mean of its divisors is an integer number (523260).

Almost surely, 213288065 is an apocalyptic number.

13288065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13288065 is a deficient number, since it is larger than the sum of its proper divisors (11828415).

13288065 is a wasteful number, since it uses less digits than its factorization.

13288065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13288065 is about 3645.2798246500. The cubic root of 13288065 is about 236.8575583030.

The spelling of 13288065 in words is "thirteen million, two hundred eighty-eight thousand, sixty-five".

Divisors: 1 3 5 7 15 21 35 49 101 105 147 179 245 303 505 537 707 735 895 1253 1515 2121 2685 3535 3759 4949 6265 8771 10605 14847 18079 18795 24745 26313 43855 54237 74235 90395 126553 131565 271185 379659 632765 885871 1898295 2657613 4429355 13288065