Base | Representation |
---|---|
bin | 1010011000011… |
… | …00101011111000 |
3 | 20001212022110202 |
4 | 11030030223320 |
5 | 134243140033 |
6 | 12350301332 |
7 | 2105125352 |
oct | 514145370 |
9 | 201768422 |
10 | 87083768 |
11 | 4517a362 |
12 | 251b7848 |
13 | 15070775 |
14 | b7cc0d2 |
15 | 79a28e8 |
hex | 530caf8 |
87083768 has 8 divisors (see below), whose sum is σ = 163282080. Its totient is φ = 43541880.
The previous prime is 87083767. The next prime is 87083779. The reversal of 87083768 is 86738078.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87083761) 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 as a sum of consecutive naturals, namely, 5442728 + ... + 5442743.
It is an arithmetic number, because the mean of its divisors is an integer number (20410260).
Almost surely, 287083768 is an apocalyptic number.
It is an amenable number.
87083768 is a deficient number, since it is larger than the sum of its proper divisors (76198312).
87083768 is a wasteful number, since it uses less digits than its factorization.
87083768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10885477 (or 10885473 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 47.
The square root of 87083768 is about 9331.8684088450. The cubic root of 87083768 is about 443.2469311083.
The spelling of 87083768 in words is "eighty-seven million, eighty-three thousand, seven hundred sixty-eight".
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