Base | Representation |
---|---|
bin | 1100100011110… |
… | …01100010100011 |
3 | 21100020121110212 |
4 | 12101321202203 |
5 | 203432333202 |
6 | 14242044335 |
7 | 2416335452 |
oct | 621714243 |
9 | 240217425 |
10 | 105355427 |
11 | 5451a101 |
12 | 2b3496ab |
13 | 18a9a2b8 |
14 | ddc6b99 |
15 | 93b1652 |
hex | 64798a3 |
105355427 has 4 divisors (see below), whose sum is σ = 106689120. Its totient is φ = 104021736.
The previous prime is 105355381. The next prime is 105355447. The reversal of 105355427 is 724553501.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724553501 = 7 ⋅103507643.
It is a cyclic number.
It is not a de Polignac number, because 105355427 - 214 = 105339043 is a prime.
It is a super-2 number, since 2×1053554272 = 22199531996704658, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105355393 and 105355402.
It is not an unprimeable number, because it can be changed into a prime (105355447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666728 + ... + 666885.
It is an arithmetic number, because the mean of its divisors is an integer number (26672280).
Almost surely, 2105355427 is an apocalyptic number.
105355427 is a deficient number, since it is larger than the sum of its proper divisors (1333693).
105355427 is an equidigital number, since it uses as much as digits as its factorization.
105355427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1333692.
The product of its (nonzero) digits is 21000, while the sum is 32.
The square root of 105355427 is about 10264.2791758603. The cubic root of 105355427 is about 472.3011146580.
The spelling of 105355427 in words is "one hundred five million, three hundred fifty-five thousand, four hundred twenty-seven".
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