Base | Representation |
---|---|
bin | 110101110100… |
… | …010101010011 |
3 | 222112202112001 |
4 | 311310111103 |
5 | 12102423422 |
6 | 1222214431 |
7 | 230626105 |
oct | 65642523 |
9 | 28482461 |
10 | 14107987 |
11 | 7a665a3 |
12 | 4884417 |
13 | 2bcc62a |
14 | 1c33575 |
15 | 138a227 |
hex | d74553 |
14107987 has 4 divisors (see below), whose sum is σ = 14137920. Its totient is φ = 14078056.
The previous prime is 14107981. The next prime is 14107991. The reversal of 14107987 is 78970141.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 14107987 - 27 = 14107859 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14107981) 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 3 ways as a sum of consecutive naturals, for example, 14248 + ... + 15205.
It is an arithmetic number, because the mean of its divisors is an integer number (3534480).
Almost surely, 214107987 is an apocalyptic number.
14107987 is a deficient number, since it is larger than the sum of its proper divisors (29933).
14107987 is an equidigital number, since it uses as much as digits as its factorization.
14107987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29932.
The product of its (nonzero) digits is 14112, while the sum is 37.
The square root of 14107987 is about 3756.0600367939. The cubic root of 14107987 is about 241.6323162169.
The spelling of 14107987 in words is "fourteen million, one hundred seven thousand, nine hundred eighty-seven".
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