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BaseRepresentation
bin10011100101001111
311002000122
4103211033
510031312
61415155
7452561
oct234517
9132018
1080207
1155296
123a4bb
132a67a
1421331
1518b72
hex1394f

80207 has 2 divisors, whose sum is σ = 80208. Its totient is φ = 80206.

The previous prime is 80191. The next prime is 80209. The reversal of 80207 is 70208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80207 - 24 = 80191 is a prime.

Together with 80209, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40103 + 40104.

It is an arithmetic number, because the mean of its divisors is an integer number (40104).

280207 is an apocalyptic number.

80207 is a deficient number, since it is larger than the sum of its proper divisors (1).

80207 is an equidigital number, since it uses as much as digits as its factorization.

80207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 80207 is about 283.2084038301. The cubic root of 80207 is about 43.1258257911.

Subtracting from 80207 its reverse (70208), we obtain a palindrome (9999).

The spelling of 80207 in words is "eighty thousand, two hundred seven".