Base | Representation |
---|---|
bin | 1010010111111… |
… | …10111010111000 |
3 | 20001202110010110 |
4 | 11023332322320 |
5 | 134234334014 |
6 | 12345144320 |
7 | 2104502103 |
oct | 513767270 |
9 | 201673113 |
10 | 87027384 |
11 | 45140a64 |
12 | 2518b0a0 |
13 | 15050bc2 |
14 | b7b573a |
15 | 7990d59 |
hex | 52feeb8 |
87027384 has 16 divisors (see below), whose sum is σ = 217568520. Its totient is φ = 29009120.
The previous prime is 87027359. The next prime is 87027389. The reversal of 87027384 is 48372078.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87027389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813047 + ... + 1813094.
Almost surely, 287027384 is an apocalyptic number.
It is an amenable number.
87027384 is an abundant number, since it is smaller than the sum of its proper divisors (130541136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87027384 is a wasteful number, since it uses less digits than its factorization.
87027384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3626150 (or 3626146 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 39.
The square root of 87027384 is about 9328.8468740783. The cubic root of 87027384 is about 443.1512476404.
The spelling of 87027384 in words is "eighty-seven million, twenty-seven thousand, three hundred eighty-four".
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