Base | Representation |
---|---|
bin | 110101010010… |
… | …1100100011000 |
3 | 1221120120001012 |
4 | 1222211210120 |
5 | 24123104034 |
6 | 2434513052 |
7 | 456332030 |
oct | 152454430 |
9 | 57516035 |
10 | 27941144 |
11 | 14854660 |
12 | 9435788 |
13 | 5a33b2a |
14 | 39d48c0 |
15 | 26bdcce |
hex | 1aa5918 |
27941144 has 64 divisors (see below), whose sum is σ = 66389760. Its totient is φ = 10707840.
The previous prime is 27941129. The next prime is 27941167. The reversal of 27941144 is 44114972.
It is a self number, because there is not a number n which added to its sum of digits gives 27941144.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 40934 + ... + 41610.
It is an arithmetic number, because the mean of its divisors is an integer number (1037340).
Almost surely, 227941144 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 27941144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33194880).
27941144 is an abundant number, since it is smaller than the sum of its proper divisors (38448616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27941144 is a wasteful number, since it uses less digits than its factorization.
27941144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 768 (or 764 counting only the distinct ones).
The product of its digits is 8064, while the sum is 32.
The square root of 27941144 is about 5285.9383272982. The cubic root of 27941144 is about 303.4459842695.
Subtracting 27941144 from its reverse (44114972), we obtain a triangular number (16173828 = T5687).
The spelling of 27941144 in words is "twenty-seven million, nine hundred forty-one thousand, one hundred forty-four".
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