Base | Representation |
---|---|
bin | 1010010000000001101101 |
3 | 12001111222200 |
4 | 22100001231 |
5 | 1141441320 |
6 | 133332113 |
7 | 31561032 |
oct | 12200155 |
9 | 5044880 |
10 | 2687085 |
11 | 1575935 |
12 | a97039 |
13 | 7310bb |
14 | 4dd389 |
15 | 381290 |
hex | 29006d |
2687085 has 24 divisors (see below), whose sum is σ = 4696224. Its totient is φ = 1421280.
The previous prime is 2687081. The next prime is 2687093. The reversal of 2687085 is 5807862.
It is not a de Polignac number, because 2687085 - 22 = 2687081 is a prime.
It is an Ulam number.
2687085 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2687081) 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, 9354 + ... + 9636.
It is an arithmetic number, because the mean of its divisors is an integer number (195676).
22687085 is an apocalyptic number.
It is an amenable number.
2687085 is a deficient number, since it is larger than the sum of its proper divisors (2009139).
2687085 is a wasteful number, since it uses less digits than its factorization.
2687085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505 (or 502 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 2687085 is about 1639.2330523754. The cubic root of 2687085 is about 139.0252873960.
The spelling of 2687085 in words is "two million, six hundred eighty-seven thousand, eighty-five".
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