Base | Representation |
---|---|
bin | 1010111100111100101111 |
3 | 12101212101120 |
4 | 22330330233 |
5 | 1213333322 |
6 | 141312023 |
7 | 33255342 |
oct | 12747457 |
9 | 5355346 |
10 | 2871087 |
11 | 16910aa |
12 | b65613 |
13 | 796a8b |
14 | 54a459 |
15 | 3baa5c |
hex | 2bcf2f |
2871087 has 16 divisors (see below), whose sum is σ = 4032480. Its totient is φ = 1814400.
The previous prime is 2871061. The next prime is 2871091. The reversal of 2871087 is 7801782.
It is not a de Polignac number, because 2871087 - 28 = 2870831 is a prime.
2871087 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2871287) 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, 5037 + ... + 5577.
It is an arithmetic number, because the mean of its divisors is an integer number (252030).
22871087 is an apocalyptic number.
2871087 is a deficient number, since it is larger than the sum of its proper divisors (1161393).
2871087 is a wasteful number, since it uses less digits than its factorization.
2871087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 634.
The product of its (nonzero) digits is 6272, while the sum is 33.
The square root of 2871087 is about 1694.4282221446. The cubic root of 2871087 is about 142.1288092598.
The spelling of 2871087 in words is "two million, eight hundred seventy-one thousand, eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •