Base | Representation |
---|---|
bin | 1000000001111010101101 |
3 | 10221221112011 |
4 | 20001322231 |
5 | 1014330010 |
6 | 113041221 |
7 | 23615020 |
oct | 10017255 |
9 | 3857464 |
10 | 2105005 |
11 | 1208581 |
12 | 856211 |
13 | 589186 |
14 | 3cb1b7 |
15 | 2b8a8a |
hex | 201ead |
2105005 has 16 divisors (see below), whose sum is σ = 2914560. Its totient is φ = 1429632.
The previous prime is 2105003. The next prime is 2105009. The reversal of 2105005 is 5005012.
It is a cyclic number.
It is not a de Polignac number, because 2105005 - 21 = 2105003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4576 + ... + 5014.
It is an arithmetic number, because the mean of its divisors is an integer number (182160).
22105005 is an apocalyptic number.
It is an amenable number.
2105005 is a deficient number, since it is larger than the sum of its proper divisors (809555).
2105005 is a wasteful number, since it uses less digits than its factorization.
2105005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588.
The product of its (nonzero) digits is 50, while the sum is 13.
The square root of 2105005 is about 1450.8635359675. The cubic root of 2105005 is about 128.1595706832.
The spelling of 2105005 in words is "two million, one hundred five thousand, five".
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