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82348769 is a prime number
BaseRepresentation
bin1001110100010…
…00101011100001
312201221202021102
410322020223201
5132040130034
612101004145
72016644606
oct472105341
9181852242
1082348769
1142535938
12236b3655
13140a34a9
14ad186ad
15736997e
hex4e88ae1

82348769 has 2 divisors, whose sum is σ = 82348770. Its totient is φ = 82348768.

The previous prime is 82348751. The next prime is 82348781. The reversal of 82348769 is 96784328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 15108769 = 8200^2 + 3887^2 .

It is a cyclic number.

It is not a de Polignac number, because 82348769 - 216 = 82283233 is a prime.

It is a super-2 number, since 2×823487692 = 13562639511630722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (82348709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41174384 + 41174385.

It is an arithmetic number, because the mean of its divisors is an integer number (41174385).

Almost surely, 282348769 is an apocalyptic number.

It is an amenable number.

82348769 is a deficient number, since it is larger than the sum of its proper divisors (1).

82348769 is an equidigital number, since it uses as much as digits as its factorization.

82348769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 82348769 is about 9074.6222510912. The cubic root of 82348769 is about 435.0632206524.

The spelling of 82348769 in words is "eighty-two million, three hundred forty-eight thousand, seven hundred sixty-nine".