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76768049 is a prime number
BaseRepresentation
bin1001001001101…
…10001100110001
312100110012222002
410210312030301
5124123034144
611341223345
71621342361
oct444661461
9170405862
1076768049
113a373a76
1221861b55
1312b9b2a7
14a2a49a1
156b1614e
hex4936331

76768049 has 2 divisors, whose sum is σ = 76768050. Its totient is φ = 76768048.

The previous prime is 76768033. The next prime is 76768079. The reversal of 76768049 is 94086767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53919649 + 22848400 = 7343^2 + 4780^2 .

It is a cyclic number.

It is not a de Polignac number, because 76768049 - 24 = 76768033 is a prime.

It is a Sophie Germain prime.

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 = 76767994 and 76768012.

It is not a weakly prime, because it can be changed into another prime (76768079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38384024 + 38384025.

It is an arithmetic number, because the mean of its divisors is an integer number (38384025).

Almost surely, 276768049 is an apocalyptic number.

It is an amenable number.

76768049 is a deficient number, since it is larger than the sum of its proper divisors (1).

76768049 is an equidigital number, since it uses as much as digits as its factorization.

76768049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 76768049 is about 8761.7377842526. The cubic root of 76768049 is about 425.0044733093.

The spelling of 76768049 in words is "seventy-six million, seven hundred sixty-eight thousand, forty-nine".