Base | Representation |
---|---|
bin | 1010011101000… |
… | …11100010111000 |
3 | 20010000201002200 |
4 | 11032203202320 |
5 | 134422423223 |
6 | 12411430200 |
7 | 2113311024 |
oct | 516434270 |
9 | 203021080 |
10 | 87701688 |
11 | 45561638 |
12 | 25455360 |
13 | 15228ab9 |
14 | b90d384 |
15 | 7a75a43 |
hex | 53a38b8 |
87701688 has 48 divisors (see below), whose sum is σ = 238758000. Its totient is φ = 29082240.
The previous prime is 87701687. The next prime is 87701693. The reversal of 87701688 is 88610778.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87701687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11268 + ... + 17388.
It is an arithmetic number, because the mean of its divisors is an integer number (4974125).
Almost surely, 287701688 is an apocalyptic number.
It is an amenable number.
87701688 is an abundant number, since it is smaller than the sum of its proper divisors (151056312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87701688 is a wasteful number, since it uses less digits than its factorization.
87701688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6332 (or 6325 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 45.
The square root of 87701688 is about 9364.9179387755. The cubic root of 87701688 is about 444.2928430905.
The spelling of 87701688 in words is "eighty-seven million, seven hundred one thousand, six hundred eighty-eight".
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