Base | Representation |
---|---|
bin | 1100100001111… |
… | …10101001101101 |
3 | 21022210100121022 |
4 | 12100332221231 |
5 | 203402123341 |
6 | 14232543525 |
7 | 2414312312 |
oct | 620765155 |
9 | 238710538 |
10 | 105114221 |
11 | 54374963 |
12 | 2b251ba5 |
13 | 18a14584 |
14 | dd62d09 |
15 | 9364e4b |
hex | 643ea6d |
105114221 has 2 divisors, whose sum is σ = 105114222. Its totient is φ = 105114220.
The previous prime is 105114199. The next prime is 105114253. The reversal of 105114221 is 122411501.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 104142025 + 972196 = 10205^2 + 986^2 .
It is a cyclic number.
It is not a de Polignac number, because 105114221 - 26 = 105114157 is a prime.
It is a super-2 number, since 2×1051142212 = 22097998912873682, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 105114221.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105174221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52557110 + 52557111.
It is an arithmetic number, because the mean of its divisors is an integer number (52557111).
Almost surely, 2105114221 is an apocalyptic number.
It is an amenable number.
105114221 is a deficient number, since it is larger than the sum of its proper divisors (1).
105114221 is an equidigital number, since it uses as much as digits as its factorization.
105114221 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 105114221 is about 10252.5226651786. The cubic root of 105114221 is about 471.9404026184.
Adding to 105114221 its reverse (122411501), we get a palindrome (227525722).
The spelling of 105114221 in words is "one hundred five million, one hundred fourteen thousand, two hundred twenty-one".
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