Base | Representation |
---|---|
bin | 1001110111010… |
… | …11110101000001 |
3 | 12202201101100121 |
4 | 10323223311001 |
5 | 132141124011 |
6 | 12113420241 |
7 | 2023255606 |
oct | 473536501 |
9 | 182641317 |
10 | 82754881 |
11 | 42792a70 |
12 | 2386a681 |
13 | 141b62b1 |
14 | adc26ad |
15 | 73e9e71 |
hex | 4eebd41 |
82754881 has 8 divisors (see below), whose sum is σ = 90352224. Its totient is φ = 75169920.
The previous prime is 82754879. The next prime is 82754887. The reversal of 82754881 is 18845728.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 82754881 - 21 = 82754879 is a prime.
It is a super-2 number, since 2×827548812 = 13696740658648322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82754887) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16081 + ... + 20593.
It is an arithmetic number, because the mean of its divisors is an integer number (11294028).
Almost surely, 282754881 is an apocalyptic number.
It is an amenable number.
82754881 is a deficient number, since it is larger than the sum of its proper divisors (7597343).
82754881 is a wasteful number, since it uses less digits than its factorization.
82754881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6191.
The product of its digits is 143360, while the sum is 43.
The square root of 82754881 is about 9096.9709793975. The cubic root of 82754881 is about 435.7772355421. Note that the first 3 decimals are identical.
The spelling of 82754881 in words is "eighty-two million, seven hundred fifty-four thousand, eight hundred eighty-one".
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