Base | Representation |
---|---|
bin | 1000001000111… |
… | …11011110000001 |
3 | 11202111022020121 |
4 | 10010133132001 |
5 | 114440130322 |
6 | 10435340241 |
7 | 1456265350 |
oct | 404373601 |
9 | 152438217 |
10 | 68286337 |
11 | 35600599 |
12 | 1aa51681 |
13 | 111bb822 |
14 | 90d7997 |
15 | 5edcec7 |
hex | 411f781 |
68286337 has 4 divisors (see below), whose sum is σ = 78041536. Its totient is φ = 58531140.
The previous prime is 68286319. The next prime is 68286343. The reversal of 68286337 is 73368286.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73368286 = 2 ⋅36684143.
It is a cyclic number.
It is not a de Polignac number, because 68286337 - 215 = 68253569 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68286293 and 68286302.
It is not an unprimeable number, because it can be changed into a prime (68286377) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4877589 + ... + 4877602.
It is an arithmetic number, because the mean of its divisors is an integer number (19510384).
Almost surely, 268286337 is an apocalyptic number.
It is an amenable number.
68286337 is a deficient number, since it is larger than the sum of its proper divisors (9755199).
68286337 is an equidigital number, since it uses as much as digits as its factorization.
68286337 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9755198.
The product of its digits is 290304, while the sum is 43.
The square root of 68286337 is about 8263.5547435713. The cubic root of 68286337 is about 408.7376142412.
The spelling of 68286337 in words is "sixty-eight million, two hundred eighty-six thousand, three hundred thirty-seven".
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