Base | Representation |
---|---|
bin | 1000001000111… |
… | …11000101010001 |
3 | 11202111020001221 |
4 | 10010133011101 |
5 | 114440103003 |
6 | 10435325041 |
7 | 1456260625 |
oct | 404370521 |
9 | 152436057 |
10 | 68284753 |
11 | 355aa389 |
12 | 1aa50781 |
13 | 111baba4 |
14 | 90d7185 |
15 | 5edc7bd |
hex | 411f151 |
68284753 has 2 divisors, whose sum is σ = 68284754. Its totient is φ = 68284752.
The previous prime is 68284717. The next prime is 68284759. The reversal of 68284753 is 35748286.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 43454464 + 24830289 = 6592^2 + 4983^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68284753 is a prime.
It is not a weakly prime, because it can be changed into another prime (68284759) 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, 34142376 + 34142377.
It is an arithmetic number, because the mean of its divisors is an integer number (34142377).
Almost surely, 268284753 is an apocalyptic number.
It is an amenable number.
68284753 is a deficient number, since it is larger than the sum of its proper divisors (1).
68284753 is an equidigital number, since it uses as much as digits as its factorization.
68284753 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 322560, while the sum is 43.
The square root of 68284753 is about 8263.4589004847. The cubic root of 68284753 is about 408.7344537975.
The spelling of 68284753 in words is "sixty-eight million, two hundred eighty-four thousand, seven hundred fifty-three".
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