Base | Representation |
---|---|
bin | 1000001001011… |
… | …01110110110111 |
3 | 11202121022002100 |
4 | 10010231312313 |
5 | 114444022041 |
6 | 10440513143 |
7 | 1456632231 |
oct | 404556667 |
9 | 152538070 |
10 | 68345271 |
11 | 356408a5 |
12 | 1aa7b7b3 |
13 | 1120c5b7 |
14 | 9111251 |
15 | 60006b6 |
hex | 412ddb7 |
68345271 has 12 divisors (see below), whose sum is σ = 99911448. Its totient is φ = 45014064.
The previous prime is 68345231. The next prime is 68345273. The reversal of 68345271 is 17254386.
It is not a de Polignac number, because 68345271 - 222 = 64150967 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68345273) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45000 + ... + 46493.
It is an arithmetic number, because the mean of its divisors is an integer number (8325954).
Almost surely, 268345271 is an apocalyptic number.
68345271 is a deficient number, since it is larger than the sum of its proper divisors (31566177).
68345271 is a wasteful number, since it uses less digits than its factorization.
68345271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91582 (or 91579 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 68345271 is about 8267.1198733295. The cubic root of 68345271 is about 408.8551663858.
It can be divided in two parts, 683 and 45271, that added together give a palindrome (45954).
The spelling of 68345271 in words is "sixty-eight million, three hundred forty-five thousand, two hundred seventy-one".
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