Base | Representation |
---|---|
bin | 1000000001010… |
… | …01110111010010 |
3 | 11200121012021101 |
4 | 10000221313102 |
5 | 114210432323 |
6 | 10402015014 |
7 | 1444605406 |
oct | 400516722 |
9 | 150535241 |
10 | 67280338 |
11 | 34a83794 |
12 | 1a64746a |
13 | 10c28968 |
14 | 8d15106 |
15 | 5d8edad |
hex | 4029dd2 |
67280338 has 8 divisors (see below), whose sum is σ = 100961532. Its totient is φ = 33626496.
The previous prime is 67280333. The next prime is 67280341. The reversal of 67280338 is 83308276.
It can be written as a sum of positive squares in 2 ways, for example, as 53538489 + 13741849 = 7317^2 + 3707^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 67280297 and 67280306.
It is not an unprimeable number, because it can be changed into a prime (67280333) 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 3 ways as a sum of consecutive naturals, for example, 1206 + ... + 11662.
Almost surely, 267280338 is an apocalyptic number.
67280338 is a deficient number, since it is larger than the sum of its proper divisors (33681194).
67280338 is a wasteful number, since it uses less digits than its factorization.
67280338 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13676.
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 67280338 is about 8202.4592653667. The cubic root of 67280338 is about 406.7204925917.
The spelling of 67280338 in words is "sixty-seven million, two hundred eighty thousand, three hundred thirty-eight".
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