Base | Representation |
---|---|
bin | 11110110011001… |
… | …101110101011101 |
3 | 1100000100020102212 |
4 | 132303031311131 |
5 | 2024241224433 |
6 | 123135330205 |
7 | 15543144611 |
oct | 3663156535 |
9 | 1300306385 |
10 | 516742493 |
11 | 245762313 |
12 | 125080965 |
13 | 830978b7 |
14 | 4c8b3341 |
15 | 30573d48 |
hex | 1eccdd5d |
516742493 has 2 divisors, whose sum is σ = 516742494. Its totient is φ = 516742492.
The previous prime is 516742453. The next prime is 516742519. The reversal of 516742493 is 394247615.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 504541444 + 12201049 = 22462^2 + 3493^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-516742493 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 516742493.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (516742423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258371246 + 258371247.
It is an arithmetic number, because the mean of its divisors is an integer number (258371247).
Almost surely, 2516742493 is an apocalyptic number.
It is an amenable number.
516742493 is a deficient number, since it is larger than the sum of its proper divisors (1).
516742493 is an equidigital number, since it uses as much as digits as its factorization.
516742493 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 181440, while the sum is 41.
The square root of 516742493 is about 22731.9707240705. The cubic root of 516742493 is about 802.4624610178.
The spelling of 516742493 in words is "five hundred sixteen million, seven hundred forty-two thousand, four hundred ninety-three".
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