Base | Representation |
---|---|
bin | 1010011000110… |
… | …10101011011100 |
3 | 20001222020002120 |
4 | 11030122223130 |
5 | 134302003314 |
6 | 12351422540 |
7 | 2105454432 |
oct | 514325334 |
9 | 201866076 |
10 | 87141084 |
11 | 45209428 |
12 | 25224a50 |
13 | 15090894 |
14 | b804d52 |
15 | 79b48a9 |
hex | 531aadc |
87141084 has 12 divisors (see below), whose sum is σ = 203329224. Its totient is φ = 29047024.
The previous prime is 87141079. The next prime is 87141097. The reversal of 87141084 is 48014178.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630867 + ... + 3630890.
It is an arithmetic number, because the mean of its divisors is an integer number (16944102).
Almost surely, 287141084 is an apocalyptic number.
It is an amenable number.
87141084 is an abundant number, since it is smaller than the sum of its proper divisors (116188140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87141084 is a wasteful number, since it uses less digits than its factorization.
87141084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7261764 (or 7261762 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 33.
The square root of 87141084 is about 9334.9388857132. The cubic root of 87141084 is about 443.3441538555.
The spelling of 87141084 in words is "eighty-seven million, one hundred forty-one thousand, eighty-four".
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