Base | Representation |
---|---|
bin | 1010010111101… |
… | …01010011101000 |
3 | 20001200110010002 |
4 | 11023311103220 |
5 | 134232104013 |
6 | 12344242132 |
7 | 2104246232 |
oct | 513652350 |
9 | 201613102 |
10 | 86988008 |
11 | 45114418 |
12 | 25170348 |
13 | 15038cc3 |
14 | b7a5252 |
15 | 7984358 |
hex | 52f54e8 |
86988008 has 8 divisors (see below), whose sum is σ = 163102530. Its totient is φ = 43494000.
The previous prime is 86987983. The next prime is 86988017. The reversal of 86988008 is 80088968.
It can be written as a sum of positive squares in only one way, i.e., 75030244 + 11957764 = 8662^2 + 3458^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5436743 + ... + 5436758.
Almost surely, 286988008 is an apocalyptic number.
It is an amenable number.
86988008 is a deficient number, since it is larger than the sum of its proper divisors (76114522).
86988008 is a wasteful number, since it uses less digits than its factorization.
86988008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10873507 (or 10873503 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 47.
The square root of 86988008 is about 9326.7361922593. The cubic root of 86988008 is about 443.0844021829.
The spelling of 86988008 in words is "eighty-six million, nine hundred eighty-eight thousand, eight".
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