Base | Representation |
---|---|
bin | 1100100100000… |
… | …00100000000111 |
3 | 21100022001121000 |
4 | 12102000200013 |
5 | 203434241233 |
6 | 14242424343 |
7 | 2416514550 |
oct | 622004007 |
9 | 240261530 |
10 | 105383943 |
11 | 54539575 |
12 | 2b3620b3 |
13 | 18aaa282 |
14 | ddd3327 |
15 | 93b9d13 |
hex | 6480807 |
105383943 has 32 divisors (see below), whose sum is σ = 179251200. Its totient is φ = 59941728.
The previous prime is 105383939. The next prime is 105383959. The reversal of 105383943 is 349383501.
It is not a de Polignac number, because 105383943 - 22 = 105383939 is a prime.
It is a super-2 number, since 2×1053839432 = 22211550884454498, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 105383898 and 105383907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105383903) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44005 + ... + 46337.
It is an arithmetic number, because the mean of its divisors is an integer number (5601600).
Almost surely, 2105383943 is an apocalyptic number.
105383943 is a deficient number, since it is larger than the sum of its proper divisors (73867257).
105383943 is a wasteful number, since it uses less digits than its factorization.
105383943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2588 (or 2582 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 105383943 is about 10265.6681711421. The cubic root of 105383943 is about 472.3437225680.
The spelling of 105383943 in words is "one hundred five million, three hundred eighty-three thousand, nine hundred forty-three".
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