Base | Representation |
---|---|
bin | 111111000001001101101 |
3 | 10212220122200 |
4 | 13320021231 |
5 | 1012040010 |
6 | 112132113 |
7 | 23360265 |
oct | 7701155 |
9 | 3786580 |
10 | 2065005 |
11 | 1190518 |
12 | 837039 |
13 | 573bc7 |
14 | 3ba7a5 |
15 | 2abcc0 |
hex | 1f826d |
2065005 has 24 divisors (see below), whose sum is σ = 3620760. Its totient is φ = 1088640.
The previous prime is 2064983. The next prime is 2065031. The reversal of 2065005 is 5005602.
It can be written as a sum of positive squares in 4 ways, for example, as 8649 + 2056356 = 93^2 + 1434^2 .
It is not a de Polignac number, because 2065005 - 27 = 2064877 is a prime.
It is a congruent 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, 4695 + ... + 5115.
It is an arithmetic number, because the mean of its divisors is an integer number (150865).
22065005 is an apocalyptic number.
It is an amenable number.
2065005 is a deficient number, since it is larger than the sum of its proper divisors (1555755).
2065005 is a wasteful number, since it uses less digits than its factorization.
2065005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 541 (or 538 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 2065005 is about 1437.0125260414. The cubic root of 2065005 is about 127.3425969948.
It can be divided in two parts, 20 and 65005, that added together give a square (65025 = 2552).
The spelling of 2065005 in words is "two million, sixty-five thousand, five".
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