Base | Representation |
---|---|
bin | 110001101001… |
… | …1010010110101 |
3 | 1210222112012200 |
4 | 1203103102311 |
5 | 23131000120 |
6 | 2325535113 |
7 | 434155650 |
oct | 143232265 |
9 | 53875180 |
10 | 26031285 |
11 | 1376a765 |
12 | 8874499 |
13 | 5515737 |
14 | 3658897 |
15 | 2442e90 |
hex | 18d34b5 |
26031285 has 48 divisors (see below), whose sum is σ = 53823744. Its totient is φ = 11379456.
The previous prime is 26031259. The next prime is 26031307. The reversal of 26031285 is 58213062.
It is not a de Polignac number, because 26031285 - 25 = 26031253 is a prime.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 5449 + ... + 9041.
It is an arithmetic number, because the mean of its divisors is an integer number (1121328).
Almost surely, 226031285 is an apocalyptic number.
It is an amenable number.
26031285 is an abundant number, since it is smaller than the sum of its proper divisors (27792459).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26031285 is a wasteful number, since it uses less digits than its factorization.
26031285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3634 (or 3631 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 26031285 is about 5102.0863379602. The cubic root of 26031285 is about 296.3683818929.
The spelling of 26031285 in words is "twenty-six million, thirty-one thousand, two hundred eighty-five".
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