Base | Representation |
---|---|
bin | 1000001000001… |
… | …10001001110001 |
3 | 11202022001000000 |
4 | 10010012021301 |
5 | 114423321031 |
6 | 10433220213 |
7 | 1455354132 |
oct | 404061161 |
9 | 152261000 |
10 | 68182641 |
11 | 3553a69a |
12 | 1aa01669 |
13 | 11183577 |
14 | 90abc89 |
15 | 5ebc3e6 |
hex | 4106271 |
68182641 has 14 divisors (see below), whose sum is σ = 102228290. Its totient is φ = 45454608.
The previous prime is 68182627. The next prime is 68182643. The reversal of 68182641 is 14628186.
68182641 is a `hidden beast` number, since 6 + 8 + 1 + 8 + 2 + 641 = 666.
It can be written as a sum of positive squares in only one way, i.e., 57153600 + 11029041 = 7560^2 + 3321^2 .
It is not a de Polignac number, because 68182641 - 26 = 68182577 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68182596 and 68182605.
It is not an unprimeable number, because it can be changed into a prime (68182643) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 46036 + ... + 47493.
Almost surely, 268182641 is an apocalyptic number.
It is an amenable number.
68182641 is a deficient number, since it is larger than the sum of its proper divisors (34045649).
68182641 is an frugal number, since it uses more digits than its factorization.
68182641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93547 (or 93532 counting only the distinct ones).
The product of its digits is 18432, while the sum is 36.
The square root of 68182641 is about 8257.2780624126. The cubic root of 68182641 is about 408.5306136909.
The spelling of 68182641 in words is "sixty-eight million, one hundred eighty-two thousand, six hundred forty-one".
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