Base | Representation |
---|---|
bin | 1010011000001… |
… | …11101001111101 |
3 | 20001211021012200 |
4 | 11030013221331 |
5 | 134242010130 |
6 | 12350022113 |
7 | 2105011320 |
oct | 514075175 |
9 | 201737180 |
10 | 87063165 |
11 | 45165932 |
12 | 251a7939 |
13 | 15064287 |
14 | b7c47b7 |
15 | 799b760 |
hex | 5307a7d |
87063165 has 96 divisors (see below), whose sum is σ = 183845376. Its totient is φ = 37255680.
The previous prime is 87063161. The next prime is 87063167. The reversal of 87063165 is 56136078.
It is not a de Polignac number, because 87063165 - 22 = 87063161 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87063161) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 441847 + ... + 442043.
It is an arithmetic number, because the mean of its divisors is an integer number (1915056).
Almost surely, 287063165 is an apocalyptic number.
It is an amenable number.
87063165 is an abundant number, since it is smaller than the sum of its proper divisors (96782211).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87063165 is a wasteful number, since it uses less digits than its factorization.
87063165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 299 (or 296 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 87063165 is about 9330.7644381369. The cubic root of 87063165 is about 443.2119726730.
The spelling of 87063165 in words is "eighty-seven million, sixty-three thousand, one hundred sixty-five".
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