Base | Representation |
---|---|
bin | 11011010000001001000101 |
3 | 111102221201210 |
4 | 123100021011 |
5 | 3312102010 |
6 | 413042033 |
7 | 114503001 |
oct | 33201105 |
9 | 14387653 |
10 | 7144005 |
11 | 403a440 |
12 | 2486319 |
13 | 163192b |
14 | d3d701 |
15 | 961b20 |
hex | 6d0245 |
7144005 has 32 divisors (see below), whose sum is σ = 12908160. Its totient is φ = 3342080.
The previous prime is 7144001. The next prime is 7144021. The reversal of 7144005 is 5004417.
It is not a de Polignac number, because 7144005 - 22 = 7144001 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7144001) 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, 4039 + ... + 5531.
It is an arithmetic number, because the mean of its divisors is an integer number (403380).
Almost surely, 27144005 is an apocalyptic number.
It is an amenable number.
7144005 is a deficient number, since it is larger than the sum of its proper divisors (5764155).
7144005 is a wasteful number, since it uses less digits than its factorization.
7144005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1541.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 7144005 is about 2672.8271549055. The cubic root of 7144005 is about 192.5959941757.
The spelling of 7144005 in words is "seven million, one hundred forty-four thousand, five".
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