Base | Representation |
---|---|
bin | 110010001000… |
… | …0010100111000 |
3 | 1211110020010110 |
4 | 1210100110320 |
5 | 23212000042 |
6 | 2335144320 |
7 | 436246533 |
oct | 144202470 |
9 | 54406113 |
10 | 26281272 |
11 | 13920566 |
12 | 89750a0 |
13 | 55a2464 |
14 | 36c1a1a |
15 | 249209c |
hex | 1910538 |
26281272 has 64 divisors (see below), whose sum is σ = 70087680. Its totient is φ = 8193152.
The previous prime is 26281271. The next prime is 26281357. The reversal of 26281272 is 27218262.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26281271) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25438 + ... + 26450.
It is an arithmetic number, because the mean of its divisors is an integer number (1095120).
Almost surely, 226281272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26281272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35043840).
26281272 is an abundant number, since it is smaller than the sum of its proper divisors (43806408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26281272 is a wasteful number, since it uses less digits than its factorization.
26281272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1092 (or 1088 counting only the distinct ones).
The product of its digits is 5376, while the sum is 30.
The square root of 26281272 is about 5126.5263093054. The cubic root of 26281272 is about 297.3140687892.
The spelling of 26281272 in words is "twenty-six million, two hundred eighty-one thousand, two hundred seventy-two".
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