Base | Representation |
---|---|
bin | 1001101001101… |
… | …10100101000100 |
3 | 12122100101121021 |
4 | 10310312211010 |
5 | 131211321113 |
6 | 12011200524 |
7 | 2002116244 |
oct | 464664504 |
9 | 178311537 |
10 | 80963908 |
11 | 4177a423 |
12 | 23146144 |
13 | 13a0a04c |
14 | aa77b24 |
15 | 719448d |
hex | 4d36944 |
80963908 has 6 divisors (see below), whose sum is σ = 141686846. Its totient is φ = 40481952.
The previous prime is 80963903. The next prime is 80963947. The reversal of 80963908 is 80936908.
It can be written as a sum of positive squares in only one way, i.e., 70257924 + 10705984 = 8382^2 + 3272^2 .
It is not an unprimeable number, because it can be changed into a prime (80963903) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120485 + ... + 10120492.
Almost surely, 280963908 is an apocalyptic number.
It is an amenable number.
80963908 is a deficient number, since it is larger than the sum of its proper divisors (60722938).
80963908 is a wasteful number, since it uses less digits than its factorization.
80963908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20240981 (or 20240979 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 43.
The square root of 80963908 is about 8997.9946654796. The cubic root of 80963908 is about 432.6105977530.
Subtracting from 80963908 its reverse (80936908), we obtain a cube (27000 = 303).
The spelling of 80963908 in words is "eighty million, nine hundred sixty-three thousand, nine hundred eight".
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