Base | Representation |
---|---|
bin | 1010011000010… |
… | …11110101110100 |
3 | 20001212010201121 |
4 | 11030023311310 |
5 | 134243032213 |
6 | 12350233324 |
7 | 2105112310 |
oct | 514136564 |
9 | 201763647 |
10 | 87080308 |
11 | 451777a7 |
12 | 251b5844 |
13 | 1506c013 |
14 | b7cab40 |
15 | 79a188d |
hex | 530bd74 |
87080308 has 12 divisors (see below), whose sum is σ = 174160672. Its totient is φ = 37320120.
The previous prime is 87080299. The next prime is 87080309. The reversal of 87080308 is 80308078.
87080308 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87080309) 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, 1554978 + ... + 1555033.
Almost surely, 287080308 is an apocalyptic number.
It is an amenable number.
87080308 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.
87080308 is a wasteful number, since it uses less digits than its factorization.
87080308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3110022 (or 3110020 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 87080308 is about 9331.6830207632. The cubic root of 87080308 is about 443.2410606890.
The spelling of 87080308 in words is "eighty-seven million, eighty thousand, three hundred eight".
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