Base | Representation |
---|---|
bin | 100110001010… |
… | …010110101111 |
3 | 200211020202100 |
4 | 212022112233 |
5 | 10030111022 |
6 | 554230143 |
7 | 151013565 |
oct | 46122657 |
9 | 20736670 |
10 | 10003887 |
11 | 5713083 |
12 | 3425353 |
13 | 20c357a |
14 | 1485a35 |
15 | d291ac |
hex | 98a5af |
10003887 has 6 divisors (see below), whose sum is σ = 14450072. Its totient is φ = 6669252.
The previous prime is 10003879. The next prime is 10003891. The reversal of 10003887 is 78830001.
It is not a de Polignac number, because 10003887 - 23 = 10003879 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10003887.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10003897) 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 5 ways as a sum of consecutive naturals, for example, 555763 + ... + 555780.
Almost surely, 210003887 is an apocalyptic number.
10003887 is a deficient number, since it is larger than the sum of its proper divisors (4446185).
10003887 is a wasteful number, since it uses less digits than its factorization.
10003887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1111549 (or 1111546 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 10003887 is about 3162.8921891206. The cubic root of 10003887 is about 215.4713796793.
Adding to 10003887 its reverse (78830001), we get a palindrome (88833888).
The spelling of 10003887 in words is "ten million, three thousand, eight hundred eighty-seven".
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