Base | Representation |
---|---|
bin | 110010101001… |
… | …010001110110 |
3 | 220222111122000 |
4 | 302221101312 |
5 | 11344320103 |
6 | 1152320130 |
7 | 220563231 |
oct | 62512166 |
9 | 26874560 |
10 | 13276278 |
11 | 7548734 |
12 | 4543046 |
13 | 299abb2 |
14 | 1a98418 |
15 | 1273aa3 |
hex | ca9476 |
13276278 has 32 divisors (see below), whose sum is σ = 30136320. Its totient is φ = 4330440.
The previous prime is 13276261. The next prime is 13276283. The reversal of 13276278 is 87267231.
13276278 is a `hidden beast` number, since 1 + 3 + 27 + 627 + 8 = 666.
13276278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78 + ... + 5153.
It is an arithmetic number, because the mean of its divisors is an integer number (941760).
Almost surely, 213276278 is an apocalyptic number.
13276278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13276278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15068160).
13276278 is an abundant number, since it is smaller than the sum of its proper divisors (16860042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13276278 is a wasteful number, since it uses less digits than its factorization.
13276278 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5289 (or 5283 counting only the distinct ones).
The product of its digits is 28224, while the sum is 36.
The square root of 13276278 is about 3643.6627176510. The cubic root of 13276278 is about 236.7875038108.
It can be divided in two parts, 1327627 and 8, that added together give a triangular number (1327635 = T1629).
The spelling of 13276278 in words is "thirteen million, two hundred seventy-six thousand, two hundred seventy-eight".
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