Base | Representation |
---|---|
bin | 1001110001101… |
… | …11011011010111 |
3 | 12201022211202010 |
4 | 10320313123113 |
5 | 131444002314 |
6 | 12045515303 |
7 | 2014060404 |
oct | 470673327 |
9 | 181284663 |
10 | 82015959 |
11 | 42328893 |
12 | 23572b33 |
13 | 13cb7b6c |
14 | ac6d2ab |
15 | 7301059 |
hex | 4e376d7 |
82015959 has 16 divisors (see below), whose sum is σ = 111536640. Its totient is φ = 53592000.
The previous prime is 82015943. The next prime is 82015961. The reversal of 82015959 is 95951028.
It is not a de Polignac number, because 82015959 - 24 = 82015943 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82015919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108834 + ... + 109584.
It is an arithmetic number, because the mean of its divisors is an integer number (6971040).
Almost surely, 282015959 is an apocalyptic number.
82015959 is a deficient number, since it is larger than the sum of its proper divisors (29520681).
82015959 is a wasteful number, since it uses less digits than its factorization.
82015959 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1430.
The product of its (nonzero) digits is 32400, while the sum is 39.
The square root of 82015959 is about 9056.2662836293. The cubic root of 82015959 is about 434.4763311308.
The spelling of 82015959 in words is "eighty-two million, fifteen thousand, nine hundred fifty-nine".
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