Base | Representation |
---|---|
bin | 1010011011011… |
… | …10100011111100 |
3 | 20002121200101220 |
4 | 11031232203330 |
5 | 134344002133 |
6 | 12403033340 |
7 | 2111415225 |
oct | 515564374 |
9 | 202550356 |
10 | 87484668 |
11 | 45423587 |
12 | 2536b850 |
13 | 1518109b |
14 | b89424c |
15 | 7a315b3 |
hex | 536e8fc |
87484668 has 12 divisors (see below), whose sum is σ = 204130920. Its totient is φ = 29161552.
The previous prime is 87484667. The next prime is 87484673. The reversal of 87484668 is 86648478.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 87484668.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87484667) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3645183 + ... + 3645206.
It is an arithmetic number, because the mean of its divisors is an integer number (17010910).
Almost surely, 287484668 is an apocalyptic number.
It is an amenable number.
87484668 is an abundant number, since it is smaller than the sum of its proper divisors (116646252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87484668 is a wasteful number, since it uses less digits than its factorization.
87484668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7290396 (or 7290394 counting only the distinct ones).
The product of its digits is 2064384, while the sum is 51.
The square root of 87484668 is about 9353.3239011594. The cubic root of 87484668 is about 443.9260691773.
The spelling of 87484668 in words is "eighty-seven million, four hundred eighty-four thousand, six hundred sixty-eight".
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