Base | Representation |
---|---|
bin | 1001101001010… |
… | …01001010100110 |
3 | 12122020121020101 |
4 | 10310221022212 |
5 | 131203041331 |
6 | 12010054314 |
7 | 2001500125 |
oct | 464511246 |
9 | 178217211 |
10 | 80908966 |
11 | 41742116 |
12 | 2311a39a |
13 | 139bb038 |
14 | aa61abc |
15 | 7183061 |
hex | 4d292a6 |
80908966 has 8 divisors (see below), whose sum is σ = 123026184. Its totient is φ = 39900240.
The previous prime is 80908951. The next prime is 80908969. The reversal of 80908966 is 66980908.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80908969) 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, 276940 + ... + 277231.
It is an arithmetic number, because the mean of its divisors is an integer number (15378273).
Almost surely, 280908966 is an apocalyptic number.
80908966 is a deficient number, since it is larger than the sum of its proper divisors (42117218).
80908966 is a wasteful number, since it uses less digits than its factorization.
80908966 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 554246.
The product of its (nonzero) digits is 186624, while the sum is 46.
The square root of 80908966 is about 8994.9411337707. The cubic root of 80908966 is about 432.5127192847.
The spelling of 80908966 in words is "eighty million, nine hundred eight thousand, nine hundred sixty-six".
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