Base | Representation |
---|---|
bin | 111110101001… |
… | …100011000001 |
3 | 1010220101021011 |
4 | 332221203001 |
5 | 13201014410 |
6 | 1344000521 |
7 | 256410526 |
oct | 76514301 |
9 | 33811234 |
10 | 16423105 |
11 | 92a7a16 |
12 | 5600141 |
13 | 353031a |
14 | 227714d |
15 | 169618a |
hex | fa98c1 |
16423105 has 16 divisors (see below), whose sum is σ = 21084624. Its totient is φ = 12236800.
The previous prime is 16423103. The next prime is 16423111. The reversal of 16423105 is 50132461.
16423105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 4910656 + 11512449 = 2216^2 + 3393^2 .
It is not a de Polignac number, because 16423105 - 21 = 16423103 is a prime.
It is not an unprimeable number, because it can be changed into a prime (16423103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7629 + ... + 9541.
It is an arithmetic number, because the mean of its divisors is an integer number (1317789).
Almost surely, 216423105 is an apocalyptic number.
It is an amenable number.
16423105 is a deficient number, since it is larger than the sum of its proper divisors (4661519).
16423105 is a wasteful number, since it uses less digits than its factorization.
16423105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2036.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 16423105 is about 4052.5430287660. The cubic root of 16423105 is about 254.1860758566.
Adding to 16423105 its reverse (50132461), we get a palindrome (66555566).
The spelling of 16423105 in words is "sixteen million, four hundred twenty-three thousand, one hundred five".
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