Base | Representation |
---|---|
bin | 1010011100111… |
… | …10011001111000 |
3 | 20002222122012211 |
4 | 11032132121320 |
5 | 134421240012 |
6 | 12411144504 |
7 | 2113162444 |
oct | 516363170 |
9 | 202878184 |
10 | 87680632 |
11 | 45547836 |
12 | 25445134 |
13 | 1521c340 |
14 | b905824 |
15 | 7a6e6a7 |
hex | 539e678 |
87680632 has 32 divisors (see below), whose sum is σ = 181374480. Its totient is φ = 39479040.
The previous prime is 87680629. The next prime is 87680641. The reversal of 87680632 is 23608678.
It is a happy number.
87680632 is nontrivially palindromic in base 15.
It is a congruent number.
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, 6018 + ... + 14545.
Almost surely, 287680632 is an apocalyptic number.
87680632 is a gapful number since it is divisible by the number (82) formed by its first and last digit.
It is an amenable number.
87680632 is an abundant number, since it is smaller than the sum of its proper divisors (93693848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87680632 is a wasteful number, since it uses less digits than its factorization.
87680632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20623 (or 20619 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 87680632 is about 9363.7936756424. The cubic root of 87680632 is about 444.2572839920.
The spelling of 87680632 in words is "eighty-seven million, six hundred eighty thousand, six hundred thirty-two".
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