Base | Representation |
---|---|
bin | 110010001111… |
… | …001010000110 |
3 | 220210001212100 |
4 | 302033022012 |
5 | 11332404121 |
6 | 1150132530 |
7 | 216636264 |
oct | 62171206 |
9 | 26701770 |
10 | 13169286 |
11 | 7485309 |
12 | 44b1146 |
13 | 29612a0 |
14 | 1a6b434 |
15 | 1252026 |
hex | c8f286 |
13169286 has 48 divisors (see below), whose sum is σ = 31004064. Its totient is φ = 4015872.
The previous prime is 13169269. The next prime is 13169287. The reversal of 13169286 is 68296131.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13169286.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13169287) by changing a digit.
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, 38910 + ... + 39246.
It is an arithmetic number, because the mean of its divisors is an integer number (645918).
Almost surely, 213169286 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13169286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15502032).
13169286 is an abundant number, since it is smaller than the sum of its proper divisors (17834778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13169286 is a wasteful number, since it uses less digits than its factorization.
13169286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525 (or 522 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 13169286 is about 3628.9510881245. The cubic root of 13169286 is about 236.1497063162.
The spelling of 13169286 in words is "thirteen million, one hundred sixty-nine thousand, two hundred eighty-six".
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