Base | Representation |
---|---|
bin | 111101011011… |
… | …101010101001 |
3 | 1010022011200100 |
4 | 331123222221 |
5 | 13110312410 |
6 | 1333100013 |
7 | 253611513 |
oct | 75335251 |
9 | 33264610 |
10 | 16104105 |
11 | 90aa286 |
12 | 5487609 |
13 | 344b074 |
14 | 21d2bb3 |
15 | 16318c0 |
hex | f5baa9 |
16104105 has 24 divisors (see below), whose sum is σ = 28234440. Its totient is φ = 8490240.
The previous prime is 16104079. The next prime is 16104107. The reversal of 16104105 is 50140161.
It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 15896169 = 456^2 + 3987^2 .
It is not a de Polignac number, because 16104105 - 26 = 16104041 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16104107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1995 + ... + 6015.
It is an arithmetic number, because the mean of its divisors is an integer number (1176435).
Almost surely, 216104105 is an apocalyptic number.
16104105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
16104105 is a deficient number, since it is larger than the sum of its proper divisors (12130335).
16104105 is a wasteful number, since it uses less digits than its factorization.
16104105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4121 (or 4118 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 16104105 is about 4012.9920259079. The cubic root of 16104105 is about 252.5295459332.
Adding to 16104105 its reverse (50140161), we get a palindrome (66244266).
The spelling of 16104105 in words is "sixteen million, one hundred four thousand, one hundred five".
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