Base | Representation |
---|---|
bin | 1100100001000… |
… | …11101101101111 |
3 | 21022120202020212 |
4 | 12100203231233 |
5 | 203340111022 |
6 | 14230333035 |
7 | 2413342532 |
oct | 620435557 |
9 | 238522225 |
10 | 105003887 |
11 | 542a9a7a |
12 | 2b1ba17b |
13 | 189a62a1 |
14 | dd34a19 |
15 | 93423e2 |
hex | 6423b6f |
105003887 has 2 divisors, whose sum is σ = 105003888. Its totient is φ = 105003886.
The previous prime is 105003859. The next prime is 105003889. The reversal of 105003887 is 788300501.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 105003887 - 214 = 104987503 is a prime.
It is a super-2 number, since 2×1050038872 = 22051632570217538, which contains 22 as substring.
Together with 105003889, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105003889) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52501943 + 52501944.
It is an arithmetic number, because the mean of its divisors is an integer number (52501944).
Almost surely, 2105003887 is an apocalyptic number.
105003887 is a deficient number, since it is larger than the sum of its proper divisors (1).
105003887 is an equidigital number, since it uses as much as digits as its factorization.
105003887 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6720, while the sum is 32.
The square root of 105003887 is about 10247.1404303835. The cubic root of 105003887 is about 471.7752194444.
The spelling of 105003887 in words is "one hundred five million, three thousand, eight hundred eighty-seven".
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