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82801793 is a prime number
BaseRepresentation
bin1001110111101…
…11010010000001
312202210202201002
410323313102001
5132144124133
612114421345
72023542434
oct473672201
9182722632
1082801793
1142815238
1223891855
1314201759
14add581b
157408ce8
hex4ef7481

82801793 has 2 divisors, whose sum is σ = 82801794. Its totient is φ = 82801792.

The previous prime is 82801787. The next prime is 82801799. The reversal of 82801793 is 39710828.

It is a balanced prime because it is at equal distance from previous prime (82801787) and next prime (82801799).

It can be written as a sum of positive squares in only one way, i.e., 60964864 + 21836929 = 7808^2 + 4673^2 .

It is a cyclic number.

It is not a de Polignac number, because 82801793 - 26 = 82801729 is a prime.

It is a super-2 number, since 2×828017932 = 13712273848029698, 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 (82801799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41400896 + 41400897.

It is an arithmetic number, because the mean of its divisors is an integer number (41400897).

Almost surely, 282801793 is an apocalyptic number.

It is an amenable number.

82801793 is a deficient number, since it is larger than the sum of its proper divisors (1).

82801793 is an equidigital number, since it uses as much as digits as its factorization.

82801793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 82801793 is about 9099.5490547609. The cubic root of 82801793 is about 435.8595643011.

The spelling of 82801793 in words is "eighty-two million, eight hundred one thousand, seven hundred ninety-three".