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69082049 is a prime number
BaseRepresentation
bin1000001111000…
…01101111000001
311210222201202102
410013201233001
5120141111144
610504400145
71466121251
oct407415701
9153881672
1069082049
1135aa4403
121b176055
1311409a6a
149263961
1560e8b4e
hex41e1bc1

69082049 has 2 divisors, whose sum is σ = 69082050. Its totient is φ = 69082048.

The previous prime is 69082019. The next prime is 69082051. The reversal of 69082049 is 94028096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 937024 = 8255^2 + 968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69082049 is a prime.

It is a Sophie Germain prime.

Together with 69082051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (69082009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34541024 + 34541025.

It is an arithmetic number, because the mean of its divisors is an integer number (34541025).

Almost surely, 269082049 is an apocalyptic number.

It is an amenable number.

69082049 is a deficient number, since it is larger than the sum of its proper divisors (1).

69082049 is an equidigital number, since it uses as much as digits as its factorization.

69082049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 69082049 is about 8311.5611650279. The cubic root of 69082049 is about 410.3191031539.

The spelling of 69082049 in words is "sixty-nine million, eighty-two thousand, forty-nine".