Base | Representation |
---|---|
bin | 1001110010011… |
… | …01011111101111 |
3 | 12201111102201222 |
4 | 10321031133233 |
5 | 132004400401 |
6 | 12051453555 |
7 | 2014615055 |
oct | 471153757 |
9 | 181442658 |
10 | 82106351 |
11 | 4238a798 |
12 | 235b72bb |
13 | 1401a052 |
14 | ac941d5 |
15 | 731cc1b |
hex | 4e4d7ef |
82106351 has 4 divisors (see below), whose sum is σ = 82237104. Its totient is φ = 81975600.
The previous prime is 82106303. The next prime is 82106357. The reversal of 82106351 is 15360128.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 82106351 - 26 = 82106287 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 82106351.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82106357) 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, 64430 + ... + 65691.
It is an arithmetic number, because the mean of its divisors is an integer number (20559276).
Almost surely, 282106351 is an apocalyptic number.
82106351 is a deficient number, since it is larger than the sum of its proper divisors (130753).
82106351 is a wasteful number, since it uses less digits than its factorization.
82106351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130752.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 82106351 is about 9061.2554869621. The cubic root of 82106351 is about 434.6358885544.
Adding to 82106351 its reverse (15360128), we get a palindrome (97466479).
The spelling of 82106351 in words is "eighty-two million, one hundred six thousand, three hundred fifty-one".
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