Base | Representation |
---|---|
bin | 1001110010100… |
… | …10000010010101 |
3 | 12201112101020210 |
4 | 10321102002111 |
5 | 132010444244 |
6 | 12052120033 |
7 | 2015023224 |
oct | 471220225 |
9 | 181471223 |
10 | 82124949 |
11 | 423a2765 |
12 | 23606019 |
13 | 1402565a |
14 | ac9acbb |
15 | 73234b9 |
hex | 4e52095 |
82124949 has 8 divisors (see below), whose sum is σ = 110105632. Its totient is φ = 54447120.
The previous prime is 82124947. The next prime is 82124957. The reversal of 82124949 is 94942128.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82124949 - 21 = 82124947 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82124947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75079 + ... + 76164.
It is an arithmetic number, because the mean of its divisors is an integer number (13763204).
Almost surely, 282124949 is an apocalyptic number.
It is an amenable number.
82124949 is a deficient number, since it is larger than the sum of its proper divisors (27980683).
82124949 is a wasteful number, since it uses less digits than its factorization.
82124949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151427.
The product of its digits is 41472, while the sum is 39.
The square root of 82124949 is about 9062.2816663355. The cubic root of 82124949 is about 434.6687026948.
The spelling of 82124949 in words is "eighty-two million, one hundred twenty-four thousand, nine hundred forty-nine".
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