Base | Representation |
---|---|
bin | 110001110000… |
… | …0110011100111 |
3 | 1211002100010112 |
4 | 1203200303213 |
5 | 23134233011 |
6 | 2331043235 |
7 | 434506214 |
oct | 143406347 |
9 | 54070115 |
10 | 26086631 |
11 | 137a82aa |
12 | 88a051b |
13 | 553499c |
14 | 3670b0b |
15 | 245458b |
hex | 18e0ce7 |
26086631 has 8 divisors (see below), whose sum is σ = 27043680. Its totient is φ = 25133472.
The previous prime is 26086603. The next prime is 26086633. The reversal of 26086631 is 13668062.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 26086631 - 210 = 26085607 is a prime.
It is a super-2 number, since 2×260866312 = 1361024633860322, which contains 22 as substring.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26086633) 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 7 ways as a sum of consecutive naturals, for example, 23321 + ... + 24413.
It is an arithmetic number, because the mean of its divisors is an integer number (3380460).
Almost surely, 226086631 is an apocalyptic number.
26086631 is a deficient number, since it is larger than the sum of its proper divisors (957049).
26086631 is a wasteful number, since it uses less digits than its factorization.
26086631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1945.
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 26086631 is about 5107.5073176649. The cubic root of 26086631 is about 296.5782728417.
The spelling of 26086631 in words is "twenty-six million, eighty-six thousand, six hundred thirty-one".
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