Base | Representation |
---|---|
bin | 110100101011… |
… | …000011111111 |
3 | 221222111211122 |
4 | 310223003333 |
5 | 12013322441 |
6 | 1211541155 |
7 | 225236120 |
oct | 64530377 |
9 | 27874748 |
10 | 13807871 |
11 | 7881070 |
12 | 475a7bb |
13 | 2b25b4c |
14 | 1b96047 |
15 | 132b34b |
hex | d2b0ff |
13807871 has 16 divisors (see below), whose sum is σ = 17392128. Its totient is φ = 10648800.
The previous prime is 13807861. The next prime is 13807873. The reversal of 13807871 is 17870831.
It is a cyclic number.
It is not a de Polignac number, because 13807871 - 214 = 13791487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13807873) 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, 7061 + ... + 8801.
It is an arithmetic number, because the mean of its divisors is an integer number (1087008).
Almost surely, 213807871 is an apocalyptic number.
13807871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13807871 is a deficient number, since it is larger than the sum of its proper divisors (3584257).
13807871 is a wasteful number, since it uses less digits than its factorization.
13807871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1862.
The product of its (nonzero) digits is 9408, while the sum is 35.
The square root of 13807871 is about 3715.8943741716. The cubic root of 13807871 is about 239.9066245553.
The spelling of 13807871 in words is "thirteen million, eight hundred seven thousand, eight hundred seventy-one".
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