Base | Representation |
---|---|
bin | 1010011001111… |
… | …10001111010001 |
3 | 20002020121220010 |
4 | 11030332033101 |
5 | 134321133422 |
6 | 12354505133 |
7 | 2106632166 |
oct | 514761721 |
9 | 202217803 |
10 | 87286737 |
11 | 452a88aa |
12 | 252951a9 |
13 | 15111c75 |
14 | b84206d |
15 | 79e2b0c |
hex | 533e3d1 |
87286737 has 16 divisors (see below), whose sum is σ = 120602880. Its totient is φ = 56109312.
The previous prime is 87286699. The next prime is 87286739. The reversal of 87286737 is 73768278.
It is not a de Polignac number, because 87286737 - 28 = 87286481 is a prime.
It is a super-2 number, since 2×872867372 = 15237948912214338, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87286739) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9064 + ... + 16022.
It is an arithmetic number, because the mean of its divisors is an integer number (7537680).
Almost surely, 287286737 is an apocalyptic number.
It is an amenable number.
87286737 is a deficient number, since it is larger than the sum of its proper divisors (33316143).
87286737 is a wasteful number, since it uses less digits than its factorization.
87286737 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7112.
The product of its digits is 790272, while the sum is 48.
The square root of 87286737 is about 9342.7371257036. The cubic root of 87286737 is about 443.5910273109.
The spelling of 87286737 in words is "eighty-seven million, two hundred eighty-six thousand, seven hundred thirty-seven".
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