Base | Representation |
---|---|
bin | 1000001000111… |
… | …11100111011111 |
3 | 11202111100002001 |
4 | 10010133213133 |
5 | 114440140233 |
6 | 10435343131 |
7 | 1456300204 |
oct | 404374737 |
9 | 152440061 |
10 | 68286943 |
11 | 35600a9a |
12 | 1aa51aa7 |
13 | 111bbb9a |
14 | 90d7cab |
15 | 5edd27d |
hex | 411f9df |
68286943 has 6 divisors (see below), whose sum is σ = 72540416. Its totient is φ = 64269792.
The previous prime is 68286937. The next prime is 68286961. The reversal of 68286943 is 34968286.
It is a happy number.
It is not a de Polignac number, because 68286943 - 213 = 68278751 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68286893 and 68286902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68286913) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117855 + ... + 118432.
Almost surely, 268286943 is an apocalyptic number.
68286943 is a deficient number, since it is larger than the sum of its proper divisors (4253473).
68286943 is a wasteful number, since it uses less digits than its factorization.
68286943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236321 (or 236304 counting only the distinct ones).
The product of its digits is 497664, while the sum is 46.
The square root of 68286943 is about 8263.5914105188. The cubic root of 68286943 is about 408.7388233375.
The spelling of 68286943 in words is "sixty-eight million, two hundred eighty-six thousand, nine hundred forty-three".
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