Base | Representation |
---|---|
bin | 1101000111100111111 |
3 | 210211200202 |
4 | 1220330333 |
5 | 102224022 |
6 | 13114115 |
7 | 3440213 |
oct | 1507477 |
9 | 724622 |
10 | 429887 |
11 | 273a87 |
12 | 18893b |
13 | 120893 |
14 | b2943 |
15 | 87592 |
hex | 68f3f |
429887 has 2 divisors, whose sum is σ = 429888. Its totient is φ = 429886.
The previous prime is 429881. The next prime is 429889. The reversal of 429887 is 788924.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 429887 - 26 = 429823 is a prime.
It is a super-3 number, since 3×4298873 = 238333006111701309, which contains 333 as substring.
Together with 429889, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 429887.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (429881) 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 as a sum of consecutive naturals, namely, 214943 + 214944.
It is an arithmetic number, because the mean of its divisors is an integer number (214944).
2429887 is an apocalyptic number.
429887 is a deficient number, since it is larger than the sum of its proper divisors (1).
429887 is an equidigital number, since it uses as much as digits as its factorization.
429887 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 32256, while the sum is 38.
The square root of 429887 is about 655.6576850766. The cubic root of 429887 is about 75.4718108878.
The spelling of 429887 in words is "four hundred twenty-nine thousand, eight hundred eighty-seven".
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