Base | Representation |
---|---|
bin | 110000001010100… |
… | …110111001111001 |
3 | 2002022120002012010 |
4 | 300022212321321 |
5 | 3123332242121 |
6 | 212104040133 |
7 | 26011425150 |
oct | 6012467171 |
9 | 2068502163 |
10 | 808087161 |
11 | 385164932 |
12 | 1a6763049 |
13 | cb554bab |
14 | 79472597 |
15 | 4ae23376 |
hex | 302a6e79 |
808087161 has 16 divisors (see below), whose sum is σ = 1235340288. Its totient is φ = 460275600.
The previous prime is 808087153. The next prime is 808087177. The reversal of 808087161 is 161780808.
808087161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 808087161 - 23 = 808087153 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (808087961) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55335 + ... + 68396.
It is an arithmetic number, because the mean of its divisors is an integer number (77208768).
Almost surely, 2808087161 is an apocalyptic number.
It is an amenable number.
808087161 is a deficient number, since it is larger than the sum of its proper divisors (427253127).
808087161 is a wasteful number, since it uses less digits than its factorization.
808087161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124052.
The product of its (nonzero) digits is 21504, while the sum is 39.
The square root of 808087161 is about 28426.8739223996. The cubic root of 808087161 is about 931.4353912482.
The spelling of 808087161 in words is "eight hundred eight million, eighty-seven thousand, one hundred sixty-one".
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