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76790849 is a prime number
BaseRepresentation
bin1001001001110…
…11110001000001
312100111101020112
410210323301001
5124124301344
611341521105
71621466012
oct444736101
9170441215
1076790849
113a38a113
1221873195
1312ba8795
14a2ad009
156b1cc9e
hex493bc41

76790849 has 2 divisors, whose sum is σ = 76790850. Its totient is φ = 76790848.

The previous prime is 76790803. The next prime is 76790851. The reversal of 76790849 is 94809767.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 9878449 = 8180^2 + 3143^2 .

It is a cyclic number.

It is not a de Polignac number, because 76790849 - 212 = 76786753 is a prime.

It is a Sophie Germain prime.

Together with 76790851, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76790797 and 76790806.

It is not a weakly prime, because it can be changed into another prime (76790149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38395424 + 38395425.

It is an arithmetic number, because the mean of its divisors is an integer number (38395425).

Almost surely, 276790849 is an apocalyptic number.

It is an amenable number.

76790849 is a deficient number, since it is larger than the sum of its proper divisors (1).

76790849 is an equidigital number, since it uses as much as digits as its factorization.

76790849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 76790849 is about 8763.0387994120. The cubic root of 76790849 is about 425.0465443834.

The spelling of 76790849 in words is "seventy-six million, seven hundred ninety thousand, eight hundred forty-nine".