Base | Representation |
---|---|
bin | 1010011100111… |
… | …00010110011000 |
3 | 20002222012200010 |
4 | 11032130112120 |
5 | 134421002331 |
6 | 12411041520 |
7 | 2113126062 |
oct | 516342630 |
9 | 202865603 |
10 | 87672216 |
11 | 45541485 |
12 | 254402a0 |
13 | 15218568 |
14 | b902732 |
15 | 7a6be46 |
hex | 539c598 |
87672216 has 32 divisors (see below), whose sum is σ = 226252800. Its totient is φ = 28281120.
The previous prime is 87672199. The next prime is 87672217. The reversal of 87672216 is 61227678.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87672217) 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, 58176 + ... + 59663.
It is an arithmetic number, because the mean of its divisors is an integer number (7070400).
Almost surely, 287672216 is an apocalyptic number.
It is an amenable number.
87672216 is an abundant number, since it is smaller than the sum of its proper divisors (138580584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87672216 is a wasteful number, since it uses less digits than its factorization.
87672216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117879 (or 117875 counting only the distinct ones).
The product of its digits is 56448, while the sum is 39.
The square root of 87672216 is about 9363.3442743498. The cubic root of 87672216 is about 444.2430695684.
The spelling of 87672216 in words is "eighty-seven million, six hundred seventy-two thousand, two hundred sixteen".
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