Base | Representation |
---|---|
bin | 1010010111110… |
… | …00011011100001 |
3 | 20001201002122220 |
4 | 11023320123201 |
5 | 134233011201 |
6 | 12344421253 |
7 | 2104331436 |
oct | 513703341 |
9 | 201632586 |
10 | 87000801 |
11 | 45122a98 |
12 | 25177829 |
13 | 15041a84 |
14 | b7a9b8d |
15 | 7988036 |
hex | 52f86e1 |
87000801 has 8 divisors (see below), whose sum is σ = 119136384. Its totient is φ = 56432880.
The previous prime is 87000799. The next prime is 87000833. The reversal of 87000801 is 10800078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87000801 - 21 = 87000799 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87000871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391785 + ... + 392006.
It is an arithmetic number, because the mean of its divisors is an integer number (14892048).
Almost surely, 287000801 is an apocalyptic number.
It is an amenable number.
87000801 is a deficient number, since it is larger than the sum of its proper divisors (32135583).
87000801 is a wasteful number, since it uses less digits than its factorization.
87000801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 783831.
The product of its (nonzero) digits is 448, while the sum is 24.
The square root of 87000801 is about 9327.4219910970. The cubic root of 87000801 is about 443.1061220384.
Adding to 87000801 its reverse (10800078), we get a palindrome (97800879).
The spelling of 87000801 in words is "eighty-seven million, eight hundred one", and thus it is an aban number.
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