Base | Representation |
---|---|
bin | 1010011001110… |
… | …00011101010010 |
3 | 20002012102102010 |
4 | 11030320131102 |
5 | 134314404213 |
6 | 12354203350 |
7 | 2106503151 |
oct | 514703522 |
9 | 202172363 |
10 | 87263058 |
11 | 45292033 |
12 | 25283556 |
13 | 1510425c |
14 | b837598 |
15 | 79daac3 |
hex | 5338752 |
87263058 has 32 divisors (see below), whose sum is σ = 182716416. Its totient is φ = 27731088.
The previous prime is 87263053. The next prime is 87263063. The reversal of 87263058 is 85036278.
It is an interprime number because it is at equal distance from previous prime (87263053) and next prime (87263063).
It is a super-3 number, since 3×872630583 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (87263053) 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 15 ways as a sum of consecutive naturals, for example, 49785 + ... + 51507.
It is an arithmetic number, because the mean of its divisors is an integer number (5709888).
Almost surely, 287263058 is an apocalyptic number.
87263058 is an abundant number, since it is smaller than the sum of its proper divisors (95453358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87263058 is a wasteful number, since it uses less digits than its factorization.
87263058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2118.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 87263058 is about 9341.4697986987. The cubic root of 87263058 is about 443.5509114725.
The spelling of 87263058 in words is "eighty-seven million, two hundred sixty-three thousand, fifty-eight".
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