Base | Representation |
---|---|
bin | 110101111100… |
… | …010111010001 |
3 | 222121102122100 |
4 | 311330113101 |
5 | 12110002011 |
6 | 1223031013 |
7 | 231124026 |
oct | 65742721 |
9 | 28542570 |
10 | 14140881 |
11 | 7a89287 |
12 | 489b469 |
13 | 2c115b1 |
14 | 1c4154d |
15 | 1394d56 |
hex | d7c5d1 |
14140881 has 6 divisors (see below), whose sum is σ = 20425730. Its totient is φ = 9427248.
The previous prime is 14140879. The next prime is 14140891. The reversal of 14140881 is 18804141.
It can be written as a sum of positive squares in only one way, i.e., 9979281 + 4161600 = 3159^2 + 2040^2 .
It is not a de Polignac number, because 14140881 - 21 = 14140879 is a prime.
It is a super-2 number, since 2×141408812 = 399929030912322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14140811) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785596 + ... + 785613.
Almost surely, 214140881 is an apocalyptic number.
It is an amenable number.
14140881 is a deficient number, since it is larger than the sum of its proper divisors (6284849).
14140881 is a wasteful number, since it uses less digits than its factorization.
14140881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1571215 (or 1571212 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 27.
The square root of 14140881 is about 3760.4362778805. The cubic root of 14140881 is about 241.8199660460.
The spelling of 14140881 in words is "fourteen million, one hundred forty thousand, eight hundred eighty-one".
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