Base | Representation |
---|---|
bin | 1100100011111… |
… | …01001001101001 |
3 | 21100021100202122 |
4 | 12101331021221 |
5 | 203433321332 |
6 | 14242241025 |
7 | 2416426541 |
oct | 621751151 |
9 | 240240678 |
10 | 105370217 |
11 | 5452a227 |
12 | 2b356175 |
13 | 18aa3c54 |
14 | ddcc321 |
15 | 93b5c12 |
hex | 647d269 |
105370217 has 2 divisors, whose sum is σ = 105370218. Its totient is φ = 105370216.
The previous prime is 105370183. The next prime is 105370231. The reversal of 105370217 is 712073501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 92525161 + 12845056 = 9619^2 + 3584^2 .
It is an emirp because it is prime and its reverse (712073501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 105370217 - 220 = 104321641 is a prime.
It is a super-2 number, since 2×1053702172 = 22205765261254178, which contains 22 as substring.
It is a Chen prime.
It is a nialpdrome in base 14.
It is not a weakly prime, because it can be changed into another prime (105370247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52685108 + 52685109.
It is an arithmetic number, because the mean of its divisors is an integer number (52685109).
Almost surely, 2105370217 is an apocalyptic number.
It is an amenable number.
105370217 is a deficient number, since it is larger than the sum of its proper divisors (1).
105370217 is an equidigital number, since it uses as much as digits as its factorization.
105370217 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1470, while the sum is 26.
The square root of 105370217 is about 10264.9996103263. Note that the first 3 decimals coincide. The cubic root of 105370217 is about 472.3232144740.
The spelling of 105370217 in words is "one hundred five million, three hundred seventy thousand, two hundred seventeen".
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