Base | Representation |
---|---|
bin | 1010011011110… |
… | …01110110000100 |
3 | 20002201000210121 |
4 | 11031321312010 |
5 | 134401442014 |
6 | 12404031324 |
7 | 2112000040 |
oct | 515716604 |
9 | 202630717 |
10 | 87530884 |
11 | 45455281 |
12 | 25392544 |
13 | 1519912c |
14 | b8a7020 |
15 | 7a40124 |
hex | 5379d84 |
87530884 has 12 divisors (see below), whose sum is σ = 175061824. Its totient is φ = 37513224.
The previous prime is 87530881. The next prime is 87530897. The reversal of 87530884 is 48803578.
It is a happy number.
87530884 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 87530884.
It is not an unprimeable number, because it can be changed into a prime (87530881) 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, 1563024 + ... + 1563079.
Almost surely, 287530884 is an apocalyptic number.
It is an amenable number.
87530884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87530884 is a wasteful number, since it uses less digits than its factorization.
87530884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3126114 (or 3126112 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 43.
The square root of 87530884 is about 9355.7941405313. The cubic root of 87530884 is about 444.0042271599.
The spelling of 87530884 in words is "eighty-seven million, five hundred thirty thousand, eight hundred eighty-four".
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