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207416669 is a prime number
BaseRepresentation
bin11000101110011…
…10110101011101
3112110021212011212
430113032311131
5411044313134
632325354205
75066004215
oct1427166535
9473255155
10207416669
11a7099239
1259568965
1333c83075
141d793245
1513321bce
hexc5ced5d

207416669 has 2 divisors, whose sum is σ = 207416670. Its totient is φ = 207416668.

The previous prime is 207416621. The next prime is 207416681. The reversal of 207416669 is 966614702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207072100 + 344569 = 14390^2 + 587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-207416669 is a prime.

It is a super-2 number, since 2×2074166692 = 86043349158111122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207416689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103708334 + 103708335.

It is an arithmetic number, because the mean of its divisors is an integer number (103708335).

Almost surely, 2207416669 is an apocalyptic number.

It is an amenable number.

207416669 is a deficient number, since it is larger than the sum of its proper divisors (1).

207416669 is an equidigital number, since it uses as much as digits as its factorization.

207416669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 207416669 is about 14401.9675391941. The cubic root of 207416669 is about 591.9448118218.

The spelling of 207416669 in words is "two hundred seven million, four hundred sixteen thousand, six hundred sixty-nine".