Base | Representation |
---|---|
bin | 101000010100… |
… | …110011100101 |
3 | 201220001122211 |
4 | 220110303211 |
5 | 10201232411 |
6 | 1014323421 |
7 | 155565121 |
oct | 50246345 |
9 | 21801584 |
10 | 10570981 |
11 | 5a70153 |
12 | 3659571 |
13 | 2261725 |
14 | 1592581 |
15 | ddc221 |
hex | a14ce5 |
10570981 has 2 divisors, whose sum is σ = 10570982. Its totient is φ = 10570980.
The previous prime is 10570979. The next prime is 10571003. The reversal of 10570981 is 18907501.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10458756 + 112225 = 3234^2 + 335^2 .
It is a cyclic number.
It is not a de Polignac number, because 10570981 - 21 = 10570979 is a prime.
It is a super-2 number, since 2×105709812 = 223491278604722, which contains 22 as substring.
Together with 10570979, it forms a pair of twin primes.
It is a nialpdrome in base 15.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10570921) 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 as a sum of consecutive naturals, namely, 5285490 + 5285491.
It is an arithmetic number, because the mean of its divisors is an integer number (5285491).
Almost surely, 210570981 is an apocalyptic number.
It is an amenable number.
10570981 is a deficient number, since it is larger than the sum of its proper divisors (1).
10570981 is an equidigital number, since it uses as much as digits as its factorization.
10570981 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2520, while the sum is 31.
The square root of 10570981 is about 3251.3045074247. The cubic root of 10570981 is about 219.4682820420.
The spelling of 10570981 in words is "ten million, five hundred seventy thousand, nine hundred eighty-one".
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