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13276286 = 217390479
BaseRepresentation
bin110010101001…
…010001111110
3220222111122022
4302221101332
511344320121
61152320142
7220563242
oct62512176
926874568
1013276286
117548741
124543052
13299abba
141a98422
151273aab
hexca947e

13276286 has 8 divisors (see below), whose sum is σ = 21085920. Its totient is φ = 6247648.

The previous prime is 13276283. The next prime is 13276297. The reversal of 13276286 is 68267231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13276283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195206 + ... + 195273.

It is an arithmetic number, because the mean of its divisors is an integer number (2635740).

Almost surely, 213276286 is an apocalyptic number.

13276286 is a deficient number, since it is larger than the sum of its proper divisors (7809634).

13276286 is a wasteful number, since it uses less digits than its factorization.

13276286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390498.

The product of its digits is 24192, while the sum is 35.

The square root of 13276286 is about 3643.6638154473. The cubic root of 13276286 is about 236.7875513719.

The spelling of 13276286 in words is "thirteen million, two hundred seventy-six thousand, two hundred eighty-six".

Divisors: 1 2 17 34 390479 780958 6638143 13276286