Base | Representation |
---|---|
bin | 110101110111… |
… | …011110110111 |
3 | 222120102012211 |
4 | 311313132313 |
5 | 12103332022 |
6 | 1222354251 |
7 | 231011524 |
oct | 65673667 |
9 | 28512184 |
10 | 14120887 |
11 | 7a75260 |
12 | 488b987 |
13 | 2c05471 |
14 | 1c3814b |
15 | 138de77 |
hex | d777b7 |
14120887 has 4 divisors (see below), whose sum is σ = 15404616. Its totient is φ = 12837160.
The previous prime is 14120881. The next prime is 14120917. The reversal of 14120887 is 78802141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78802141 = 11 ⋅7163831.
It is a cyclic number.
It is not a de Polignac number, because 14120887 - 215 = 14088119 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14120881) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641848 + ... + 641869.
It is an arithmetic number, because the mean of its divisors is an integer number (3851154).
Almost surely, 214120887 is an apocalyptic number.
14120887 is a deficient number, since it is larger than the sum of its proper divisors (1283729).
14120887 is a wasteful number, since it uses less digits than its factorization.
14120887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1283728.
The product of its (nonzero) digits is 3584, while the sum is 31.
The square root of 14120887 is about 3757.7768693737. The cubic root of 14120887 is about 241.7059413511.
The spelling of 14120887 in words is "fourteen million, one hundred twenty thousand, eight hundred eighty-seven".
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