Base | Representation |
---|---|
bin | 1100100010110… |
… | …01011010111111 |
3 | 21022222221000102 |
4 | 12101121122333 |
5 | 203414130441 |
6 | 14235151315 |
7 | 2415250064 |
oct | 621313277 |
9 | 238887012 |
10 | 105223871 |
11 | 5443a285 |
12 | 2b2a553b |
13 | 18a5245c |
14 | dd90c6b |
15 | 938769b |
hex | 64596bf |
105223871 has 2 divisors, whose sum is σ = 105223872. Its totient is φ = 105223870.
The previous prime is 105223823. The next prime is 105223883. The reversal of 105223871 is 178322501.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-105223871 is a prime.
It is a super-2 number, since 2×1052238712 = 22144126056449282, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105223891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52611935 + 52611936.
It is an arithmetic number, because the mean of its divisors is an integer number (52611936).
Almost surely, 2105223871 is an apocalyptic number.
105223871 is a deficient number, since it is larger than the sum of its proper divisors (1).
105223871 is an equidigital number, since it uses as much as digits as its factorization.
105223871 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 105223871 is about 10257.8687357560. The cubic root of 105223871 is about 472.1044472843.
The spelling of 105223871 in words is "one hundred five million, two hundred twenty-three thousand, eight hundred seventy-one".
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