Base | Representation |
---|---|
bin | 11000011001110010110001 |
3 | 110001000011211 |
4 | 120121302301 |
5 | 3114201410 |
6 | 345040121 |
7 | 105242311 |
oct | 30316261 |
9 | 13030154 |
10 | 6397105 |
11 | 367a270 |
12 | 2186041 |
13 | 142c990 |
14 | bc7441 |
15 | 86568a |
hex | 619cb1 |
6397105 has 32 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 4097280.
The previous prime is 6397103. The next prime is 6397109. The reversal of 6397105 is 5017936.
It is not a de Polignac number, because 6397105 - 21 = 6397103 is a prime.
6397105 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6397103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16251 + ... + 16639.
It is an arithmetic number, because the mean of its divisors is an integer number (294840).
Almost surely, 26397105 is an apocalyptic number.
6397105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
6397105 is the 1265-th decagonal number.
It is an amenable number.
6397105 is a deficient number, since it is larger than the sum of its proper divisors (3037775).
6397105 is a wasteful number, since it uses less digits than its factorization.
6397105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 441.
The product of its (nonzero) digits is 5670, while the sum is 31.
The square root of 6397105 is about 2529.2498888010. The cubic root of 6397105 is about 185.6355545397.
It can be divided in two parts, 639 and 7105, that added together give a square (7744 = 882).
The spelling of 6397105 in words is "six million, three hundred ninety-seven thousand, one hundred five".
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