Base | Representation |
---|---|
bin | 110101001011… |
… | …100101011001 |
3 | 222020021120100 |
4 | 311023211121 |
5 | 12032103311 |
6 | 1214450013 |
7 | 226332360 |
oct | 65134531 |
9 | 28207510 |
10 | 13941081 |
11 | 7962160 |
12 | 4803909 |
13 | 2b7167b |
14 | 1bcc7d7 |
15 | 1355a56 |
hex | d4b959 |
13941081 has 24 divisors (see below), whose sum is σ = 25107264. Its totient is φ = 7241760.
The previous prime is 13941077. The next prime is 13941091. The reversal of 13941081 is 18014931.
It is not a de Polignac number, because 13941081 - 22 = 13941077 is a prime.
It is a super-2 number, since 2×139410812 = 388707478897122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13941061) 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 23 ways as a sum of consecutive naturals, for example, 9366 + ... + 10751.
It is an arithmetic number, because the mean of its divisors is an integer number (1046136).
Almost surely, 213941081 is an apocalyptic number.
13941081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13941081 is a deficient number, since it is larger than the sum of its proper divisors (11166183).
13941081 is a wasteful number, since it uses less digits than its factorization.
13941081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20141 (or 20138 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 13941081 is about 3733.7757029581. The cubic root of 13941081 is about 240.6756482130.
The spelling of 13941081 in words is "thirteen million, nine hundred forty-one thousand, eighty-one".
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