Base | Representation |
---|---|
bin | 1001111000111… |
… | …00011101000001 |
3 | 12210002111120012 |
4 | 10330130131001 |
5 | 132214012144 |
6 | 12121554305 |
7 | 2025045353 |
oct | 474343501 |
9 | 183074505 |
10 | 82954049 |
11 | 42909672 |
12 | 23945995 |
13 | 14255b49 |
14 | b0350d3 |
15 | 7438e9e |
hex | 4f1c741 |
82954049 has 4 divisors (see below), whose sum is σ = 82975620. Its totient is φ = 82932480.
The previous prime is 82953989. The next prime is 82954087. The reversal of 82954049 is 94045928.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 17909824 + 65044225 = 4232^2 + 8065^2 .
It is a cyclic number.
It is not a de Polignac number, because 82954049 - 224 = 66176833 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 82953997 and 82954015.
It is not an unprimeable number, because it can be changed into a prime (82954349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272 + ... + 13289.
It is an arithmetic number, because the mean of its divisors is an integer number (20743905).
Almost surely, 282954049 is an apocalyptic number.
It is an amenable number.
82954049 is a deficient number, since it is larger than the sum of its proper divisors (21571).
82954049 is a wasteful number, since it uses less digits than its factorization.
82954049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21570.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 82954049 is about 9107.9113412461. The cubic root of 82954049 is about 436.1265536874.
The spelling of 82954049 in words is "eighty-two million, nine hundred fifty-four thousand, forty-nine".
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