Base | Representation |
---|---|
bin | 1000001000110… |
… | …11111001111101 |
3 | 11202110120020000 |
4 | 10010123321331 |
5 | 114434143431 |
6 | 10435144513 |
7 | 1456204656 |
oct | 404337175 |
9 | 152416200 |
10 | 68271741 |
11 | 355a062a |
12 | 1aa45139 |
13 | 111b4ca5 |
14 | 90d252d |
15 | 5ed89e6 |
hex | 411be7d |
68271741 has 20 divisors (see below), whose sum is σ = 102220800. Its totient is φ = 45409896.
The previous prime is 68271739. The next prime is 68271743. The reversal of 68271741 is 14717286.
It is an interprime number because it is at equal distance from previous prime (68271739) and next prime (68271743).
It is not a de Polignac number, because 68271741 - 21 = 68271739 is a prime.
It is a super-2 number, since 2×682717412 = 9322061238342162, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68271696 and 68271705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68271743) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52740 + ... + 54018.
It is an arithmetic number, because the mean of its divisors is an integer number (5111040).
Almost surely, 268271741 is an apocalyptic number.
It is an amenable number.
68271741 is a deficient number, since it is larger than the sum of its proper divisors (33949059).
68271741 is a wasteful number, since it uses less digits than its factorization.
68271741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1950 (or 1941 counting only the distinct ones).
The product of its digits is 18816, while the sum is 36.
The square root of 68271741 is about 8262.6715413358. The cubic root of 68271741 is about 408.7084900192.
The spelling of 68271741 in words is "sixty-eight million, two hundred seventy-one thousand, seven hundred forty-one".
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