Base | Representation |
---|---|
bin | 101001011110… |
… | …000100101111 |
3 | 202110022022212 |
4 | 221132010233 |
5 | 10240333322 |
6 | 1025001035 |
7 | 161255063 |
oct | 51360457 |
9 | 22408285 |
10 | 10871087 |
11 | 6155677 |
12 | 378317b |
13 | 23381c6 |
14 | 162daa3 |
15 | e4b0e2 |
hex | a5e12f |
10871087 has 8 divisors (see below), whose sum is σ = 11110656. Its totient is φ = 10634112.
The previous prime is 10871071. The next prime is 10871089. The reversal of 10871087 is 78017801.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10871087 - 24 = 10871071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10871089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9458 + ... + 10544.
It is an arithmetic number, because the mean of its divisors is an integer number (1388832).
Almost surely, 210871087 is an apocalyptic number.
10871087 is a deficient number, since it is larger than the sum of its proper divisors (239569).
10871087 is a wasteful number, since it uses less digits than its factorization.
10871087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1297.
The product of its (nonzero) digits is 3136, while the sum is 32.
The square root of 10871087 is about 3297.1331486611. The cubic root of 10871087 is about 221.5258051930.
Adding to 10871087 its reverse (78017801), we get a palindrome (88888888).
The spelling of 10871087 in words is "ten million, eight hundred seventy-one thousand, eighty-seven".
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