Base | Representation |
---|---|
bin | 100110010000… |
… | …001111010011 |
3 | 200212110210221 |
4 | 212100033103 |
5 | 10031343422 |
6 | 554533511 |
7 | 151144054 |
oct | 46201723 |
9 | 20773727 |
10 | 10027987 |
11 | 572a1a2 |
12 | 3437297 |
13 | 2101528 |
14 | 149072b |
15 | d313c7 |
hex | 9903d3 |
10027987 has 8 divisors (see below), whose sum is σ = 10367280. Its totient is φ = 9693600.
The previous prime is 10027949. The next prime is 10027993. The reversal of 10027987 is 78972001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10027987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10027907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3189 + ... + 5497.
It is an arithmetic number, because the mean of its divisors is an integer number (1295910).
Almost surely, 210027987 is an apocalyptic number.
10027987 is a deficient number, since it is larger than the sum of its proper divisors (339293).
10027987 is a wasteful number, since it uses less digits than its factorization.
10027987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2453.
The product of its (nonzero) digits is 7056, while the sum is 34.
The square root of 10027987 is about 3166.6997015821. The cubic root of 10027987 is about 215.6442690054.
Adding to 10027987 its reverse (78972001), we get a palindrome (88999988).
The spelling of 10027987 in words is "ten million, twenty-seven thousand, nine hundred eighty-seven".
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