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493838069 is a prime number
BaseRepresentation
bin11101011011110…
…101111011110101
31021102020120110212
4131123311323311
52002410304234
6121000355205
715144361064
oct3533657365
91242216425
10493838069
1123383893a
12119475b05
137b40849a
14498301db
152d54c5ce
hex1d6f5ef5

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".