Base | Representation |
---|---|
bin | 100111000001… |
… | …100001100101 |
3 | 201020201201202 |
4 | 213001201211 |
5 | 10104323421 |
6 | 1003132245 |
7 | 152644445 |
oct | 47014145 |
9 | 21221652 |
10 | 10229861 |
11 | 5857934 |
12 | 3514085 |
13 | 2172395 |
14 | 1504125 |
15 | d7110b |
hex | 9c1865 |
10229861 has 2 divisors, whose sum is σ = 10229862. Its totient is φ = 10229860.
The previous prime is 10229839. The next prime is 10229867. The reversal of 10229861 is 16892201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7873636 + 2356225 = 2806^2 + 1535^2 .
It is an emirp because it is prime and its reverse (16892201) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10229861 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10229867) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5114930 + 5114931.
It is an arithmetic number, because the mean of its divisors is an integer number (5114931).
Almost surely, 210229861 is an apocalyptic number.
It is an amenable number.
10229861 is a deficient number, since it is larger than the sum of its proper divisors (1).
10229861 is an equidigital number, since it uses as much as digits as its factorization.
10229861 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 10229861 is about 3198.4153889075. The cubic root of 10229861 is about 217.0817151386.
The spelling of 10229861 in words is "ten million, two hundred twenty-nine thousand, eight hundred sixty-one".
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