Base | Representation |
---|---|
bin | 11011110001111001100001 |
3 | 111200222101211 |
4 | 123301321201 |
5 | 3331013043 |
6 | 420030121 |
7 | 115620055 |
oct | 33617141 |
9 | 14628354 |
10 | 7282273 |
11 | 4124309 |
12 | 2532341 |
13 | 167c84b |
14 | d77c65 |
15 | 98ca9d |
hex | 6f1e61 |
7282273 has 4 divisors (see below), whose sum is σ = 7710660. Its totient is φ = 6853888.
The previous prime is 7282271. The next prime is 7282279. The reversal of 7282273 is 3722827.
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 5870929 + 1411344 = 2423^2 + 1188^2 .
It is a cyclic number.
It is not a de Polignac number, because 7282273 - 21 = 7282271 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7282271) 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, 214168 + ... + 214201.
It is an arithmetic number, because the mean of its divisors is an integer number (1927665).
Almost surely, 27282273 is an apocalyptic number.
It is an amenable number.
7282273 is a deficient number, since it is larger than the sum of its proper divisors (428387).
7282273 is a wasteful number, since it uses less digits than its factorization.
7282273 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428386.
The product of its digits is 9408, while the sum is 31.
The square root of 7282273 is about 2698.5686946972. The cubic root of 7282273 is about 193.8305904071.
The spelling of 7282273 in words is "seven million, two hundred eighty-two thousand, two hundred seventy-three".
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