Base | Representation |
---|---|
bin | 110011011110… |
… | …0011100101101 |
3 | 1212210001020001 |
4 | 1212330130231 |
5 | 23402030120 |
6 | 2402224301 |
7 | 445244134 |
oct | 146743455 |
9 | 55701201 |
10 | 26986285 |
11 | 14262217 |
12 | 9055091 |
13 | 578b321 |
14 | 382691b |
15 | 2580e0a |
hex | 19bc72d |
26986285 has 8 divisors (see below), whose sum is σ = 32511096. Its totient is φ = 21504000.
The previous prime is 26986249. The next prime is 26986301. The reversal of 26986285 is 58268962.
It can be written as a sum of positive squares in 4 ways, for example, as 6220036 + 20766249 = 2494^2 + 4557^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 26986285 - 219 = 26461997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9216 + ... + 11785.
It is an arithmetic number, because the mean of its divisors is an integer number (4063887).
Almost surely, 226986285 is an apocalyptic number.
It is an amenable number.
26986285 is a deficient number, since it is larger than the sum of its proper divisors (5524811).
26986285 is a wasteful number, since it uses less digits than its factorization.
26986285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21263.
The product of its digits is 414720, while the sum is 46.
The square root of 26986285 is about 5194.8325285807. The cubic root of 26986285 is about 299.9491951004.
The spelling of 26986285 in words is "twenty-six million, nine hundred eighty-six thousand, two hundred eighty-five".
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