Base | Representation |
---|---|
bin | 11101011011110… |
… | …101111011110101 |
3 | 1021102020120110212 |
4 | 131123311323311 |
5 | 2002410304234 |
6 | 121000355205 |
7 | 15144361064 |
oct | 3533657365 |
9 | 1242216425 |
10 | 493838069 |
11 | 23383893a |
12 | 119475b05 |
13 | 7b40849a |
14 | 498301db |
15 | 2d54c5ce |
hex | 1d6f5ef5 |
493838069 has 2 divisors, whose sum is σ = 493838070. Its totient is φ = 493838068.
The previous prime is 493838057. The next prime is 493838077. The reversal of 493838069 is 960838394.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 487835569 + 6002500 = 22087^2 + 2450^2 .
It is a cyclic number.
It is not a de Polignac number, because 493838069 - 24 = 493838053 is a prime.
It is a super-2 number, since 2×4938380692 = 487752076787297522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (493838269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246919034 + 246919035.
It is an arithmetic number, because the mean of its divisors is an integer number (246919035).
Almost surely, 2493838069 is an apocalyptic number.
It is an amenable number.
493838069 is a deficient number, since it is larger than the sum of its proper divisors (1).
493838069 is an equidigital number, since it uses as much as digits as its factorization.
493838069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1119744, while the sum is 50.
The square root of 493838069 is about 22222.4676622557. The cubic root of 493838069 is about 790.4265543472.
The spelling of 493838069 in words is "four hundred ninety-three million, eight hundred thirty-eight thousand, sixty-nine".
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