Base | Representation |
---|---|
bin | 1100100010110… |
… | …01100000011011 |
3 | 21022222221111022 |
4 | 12101121200123 |
5 | 203414133334 |
6 | 14235153055 |
7 | 2415251102 |
oct | 621314033 |
9 | 238887438 |
10 | 105224219 |
11 | 5443a571 |
12 | 2b2a578b |
13 | 18a52669 |
14 | dd91039 |
15 | 938782e |
hex | 645981b |
105224219 has 2 divisors, whose sum is σ = 105224220. Its totient is φ = 105224218.
The previous prime is 105224213. The next prime is 105224227. The reversal of 105224219 is 912422501.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 105224219 - 224 = 88447003 is a prime.
It is a super-2 number, since 2×1052242192 = 22144272528319922, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (105224213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52612109 + 52612110.
It is an arithmetic number, because the mean of its divisors is an integer number (52612110).
Almost surely, 2105224219 is an apocalyptic number.
105224219 is a deficient number, since it is larger than the sum of its proper divisors (1).
105224219 is an equidigital number, since it uses as much as digits as its factorization.
105224219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 105224219 is about 10257.8856983298. The cubic root of 105224219 is about 472.1049677371.
It can be divided in two parts, 10522 and 4219, that added together give a palindrome (14741).
The spelling of 105224219 in words is "one hundred five million, two hundred twenty-four thousand, two hundred nineteen".
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