Base | Representation |
---|---|
bin | 11000011110001… |
… | …01001101010010 |
3 | 112022021022100000 |
4 | 30033011031102 |
5 | 410022430312 |
6 | 32211510430 |
7 | 5041565130 |
oct | 1417051522 |
9 | 468238300 |
10 | 205280082 |
11 | a5969a67 |
12 | 588b8416 |
13 | 336b5707 |
14 | 1d398750 |
15 | 1304dadc |
hex | c3c5352 |
205280082 has 96 divisors (see below), whose sum is σ = 534223872. Its totient is φ = 57865104.
The previous prime is 205280069. The next prime is 205280147. The reversal of 205280082 is 280082502.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 282003 + ... + 282729.
It is an arithmetic number, because the mean of its divisors is an integer number (5564832).
Almost surely, 2205280082 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 205280082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267111936).
205280082 is an abundant number, since it is smaller than the sum of its proper divisors (328943790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205280082 is an equidigital number, since it uses as much as digits as its factorization.
205280082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 834 (or 822 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 205280082 is about 14327.5986124682. The cubic root of 205280082 is about 589.9052629655.
The spelling of 205280082 in words is "two hundred five million, two hundred eighty thousand, eighty-two".
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