Base | Representation |
---|---|
bin | 100110101100… |
… | …010100100001 |
3 | 201002022121000 |
4 | 212230110201 |
5 | 10044034014 |
6 | 1001222213 |
7 | 152133312 |
oct | 46542441 |
9 | 21068530 |
10 | 10143009 |
11 | 57a8658 |
12 | 3491969 |
13 | 21419a6 |
14 | 14c0609 |
15 | d55509 |
hex | 9ac521 |
10143009 has 8 divisors (see below), whose sum is σ = 15026720. Its totient is φ = 6761988.
The previous prime is 10142963. The next prime is 10143013. The reversal of 10143009 is 90034101.
It is not a de Polignac number, because 10143009 - 28 = 10142753 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10142982 and 10143000.
It is not an unprimeable number, because it can be changed into a prime (10143409) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187807 + ... + 187860.
It is an arithmetic number, because the mean of its divisors is an integer number (1878340).
Almost surely, 210143009 is an apocalyptic number.
It is an amenable number.
10143009 is a deficient number, since it is larger than the sum of its proper divisors (4883711).
10143009 is an equidigital number, since it uses as much as digits as its factorization.
10143009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375676 (or 375670 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 10143009 is about 3184.8090994595. The cubic root of 10143009 is about 216.4656236366.
The spelling of 10143009 in words is "ten million, one hundred forty-three thousand, nine".
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