Base | Representation |
---|---|
bin | 111101111001… |
… | …001101010001 |
3 | 1010112022122211 |
4 | 331321031101 |
5 | 13123200410 |
6 | 1335432121 |
7 | 254624341 |
oct | 75711521 |
9 | 33468584 |
10 | 16225105 |
11 | 9182186 |
12 | 5525641 |
13 | 3491170 |
14 | 2224d21 |
15 | 165768a |
hex | f79351 |
16225105 has 24 divisors (see below), whose sum is σ = 21613032. Its totient is φ = 11622912.
The previous prime is 16225087. The next prime is 16225141. The reversal of 16225105 is 50152261.
It can be written as a sum of positive squares in 4 ways, for example, as 638401 + 15586704 = 799^2 + 3948^2 .
It is not a de Polignac number, because 16225105 - 213 = 16216913 is a prime.
It is a super-2 number, since 2×162251052 = 526508064522050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143529 + ... + 143641.
It is an arithmetic number, because the mean of its divisors is an integer number (900543).
Almost surely, 216225105 is an apocalyptic number.
It is an amenable number.
16225105 is a deficient number, since it is larger than the sum of its proper divisors (5387927).
16225105 is a wasteful number, since it uses less digits than its factorization.
16225105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225 (or 178 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 16225105 is about 4028.0398458804. The cubic root of 16225105 is about 253.1604381618.
Adding to 16225105 its reverse (50152261), we get a palindrome (66377366).
The spelling of 16225105 in words is "sixteen million, two hundred twenty-five thousand, one hundred five".
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