Base | Representation |
---|---|
bin | 1010011011101… |
… | …00011010001000 |
3 | 20002122220020212 |
4 | 11031310122020 |
5 | 134400233431 |
6 | 12403340252 |
7 | 2111545106 |
oct | 515643210 |
9 | 202586225 |
10 | 87508616 |
11 | 4543a578 |
12 | 25381688 |
13 | 1518bc60 |
14 | b89cc76 |
15 | 7a3872b |
hex | 5374688 |
87508616 has 32 divisors (see below), whose sum is σ = 178953600. Its totient is φ = 39873600.
The previous prime is 87508607. The next prime is 87508621. The reversal of 87508616 is 61680578.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2891 + ... + 13541.
It is an arithmetic number, because the mean of its divisors is an integer number (5592300).
Almost surely, 287508616 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87508616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89476800).
87508616 is an abundant number, since it is smaller than the sum of its proper divisors (91444984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87508616 is a wasteful number, since it uses less digits than its factorization.
87508616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10749 (or 10745 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 87508616 is about 9354.6040001702. The cubic root of 87508616 is about 443.9665721661.
The spelling of 87508616 in words is "eighty-seven million, five hundred eight thousand, six hundred sixteen".
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