Base | Representation |
---|---|
bin | 1000001001101… |
… | …00010100011101 |
3 | 11202122122101201 |
4 | 10010310110131 |
5 | 120000343431 |
6 | 10441235501 |
7 | 1460102344 |
oct | 404642435 |
9 | 152578351 |
10 | 68371741 |
11 | 35659779 |
12 | 1aa92b91 |
13 | 1121b669 |
14 | 911ab5b |
15 | 6008461 |
hex | 413451d |
68371741 has 2 divisors, whose sum is σ = 68371742. Its totient is φ = 68371740.
The previous prime is 68371717. The next prime is 68371757. The reversal of 68371741 is 14717386.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 67815225 + 556516 = 8235^2 + 746^2 .
It is a cyclic number.
It is not a de Polignac number, because 68371741 - 221 = 66274589 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68371741.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68371141) 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 as a sum of consecutive naturals, namely, 34185870 + 34185871.
It is an arithmetic number, because the mean of its divisors is an integer number (34185871).
Almost surely, 268371741 is an apocalyptic number.
It is an amenable number.
68371741 is a deficient number, since it is larger than the sum of its proper divisors (1).
68371741 is an equidigital number, since it uses as much as digits as its factorization.
68371741 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 28224, while the sum is 37.
The square root of 68371741 is about 8268.7206386478. The cubic root of 68371741 is about 408.9079425288.
The spelling of 68371741 in words is "sixty-eight million, three hundred seventy-one thousand, seven hundred forty-one".
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