Base | Representation |
---|---|
bin | 1000001000001… |
… | …10010000000111 |
3 | 11202022001120001 |
4 | 10010012100013 |
5 | 114423324142 |
6 | 10433222131 |
7 | 1455355252 |
oct | 404062007 |
9 | 152261501 |
10 | 68183047 |
11 | 3553aa29 |
12 | 1aa01947 |
13 | 111837ca |
14 | 90ac099 |
15 | 5ebc5b7 |
hex | 4106407 |
68183047 has 2 divisors, whose sum is σ = 68183048. Its totient is φ = 68183046.
The previous prime is 68183033. The next prime is 68183051. The reversal of 68183047 is 74038186.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68183047 - 223 = 59794439 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68182997 and 68183015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68183057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34091523 + 34091524.
It is an arithmetic number, because the mean of its divisors is an integer number (34091524).
Almost surely, 268183047 is an apocalyptic number.
68183047 is a deficient number, since it is larger than the sum of its proper divisors (1).
68183047 is an equidigital number, since it uses as much as digits as its factorization.
68183047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 68183047 is about 8257.3026467485. The cubic root of 68183047 is about 408.5314245674.
The spelling of 68183047 in words is "sixty-eight million, one hundred eighty-three thousand, forty-seven".
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