Base | Representation |
---|---|
bin | 1010010111111… |
… | …10110101000011 |
3 | 20001202102121122 |
4 | 11023332311003 |
5 | 134234331021 |
6 | 12345142455 |
7 | 2104501031 |
oct | 513766503 |
9 | 201672548 |
10 | 87027011 |
11 | 45140755 |
12 | 2518aa2b |
13 | 15050996 |
14 | b7b5551 |
15 | 7990bab |
hex | 52fed43 |
87027011 has 4 divisors (see below), whose sum is σ = 91607400. Its totient is φ = 82446624.
The previous prime is 87027001. The next prime is 87027079. The reversal of 87027011 is 11072078.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-87027011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87027001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290166 + ... + 2290203.
It is an arithmetic number, because the mean of its divisors is an integer number (22901850).
Almost surely, 287027011 is an apocalyptic number.
87027011 is a deficient number, since it is larger than the sum of its proper divisors (4580389).
87027011 is a wasteful number, since it uses less digits than its factorization.
87027011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4580388.
The product of its (nonzero) digits is 784, while the sum is 26.
The square root of 87027011 is about 9328.8268823041. The cubic root of 87027011 is about 443.1506145230.
Adding to 87027011 its reverse (11072078), we get a palindrome (98099089).
The spelling of 87027011 in words is "eighty-seven million, twenty-seven thousand, eleven".
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