Base | Representation |
---|---|
bin | 1010011110001… |
… | …11010001010000 |
3 | 20010022010211020 |
4 | 11033013101100 |
5 | 134442114031 |
6 | 12414515440 |
7 | 2114460444 |
oct | 517072120 |
9 | 203263736 |
10 | 87848016 |
11 | 45651573 |
12 | 25505b80 |
13 | 1527a599 |
14 | b94a824 |
15 | 7aa4096 |
hex | 53c7450 |
87848016 has 80 divisors (see below), whose sum is σ = 233020800. Its totient is φ = 28510720.
The previous prime is 87847987. The next prime is 87848021. The reversal of 87848016 is 61084878.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507706 + ... + 507878.
It is an arithmetic number, because the mean of its divisors is an integer number (2912760).
Almost surely, 287848016 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 87848016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116510400).
87848016 is an abundant number, since it is smaller than the sum of its proper divisors (145172784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87848016 is a wasteful number, since it uses less digits than its factorization.
87848016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 404 (or 398 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 42.
The square root of 87848016 is about 9372.7272445111. The cubic root of 87848016 is about 444.5398028351.
The spelling of 87848016 in words is "eighty-seven million, eight hundred forty-eight thousand, sixteen".
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