Base | Representation |
---|---|
bin | 100110101011… |
… | …001000100001 |
3 | 201002001220212 |
4 | 212223020201 |
5 | 10043410040 |
6 | 1001143505 |
7 | 152113163 |
oct | 46531041 |
9 | 21061825 |
10 | 10138145 |
11 | 57a4a36 |
12 | 348ab95 |
13 | 213c704 |
14 | 14bc933 |
15 | d53d65 |
hex | 9ab221 |
10138145 has 4 divisors (see below), whose sum is σ = 12165780. Its totient is φ = 8110512.
The previous prime is 10138129. The next prime is 10138151. The reversal of 10138145 is 54183101.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3701776 + 6436369 = 1924^2 + 2537^2 .
It is a cyclic number.
It is not a de Polignac number, because 10138145 - 24 = 10138129 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10138145.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013810 + ... + 1013819.
It is an arithmetic number, because the mean of its divisors is an integer number (3041445).
Almost surely, 210138145 is an apocalyptic number.
It is an amenable number.
10138145 is a deficient number, since it is larger than the sum of its proper divisors (2027635).
10138145 is an equidigital number, since it uses as much as digits as its factorization.
10138145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2027634.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 10138145 is about 3184.0453828424. The cubic root of 10138145 is about 216.4310166431.
The spelling of 10138145 in words is "ten million, one hundred thirty-eight thousand, one hundred forty-five".
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