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80071 is a prime number
BaseRepresentation
bin10011100011000111
311001211121
4103203013
510030241
61414411
7452305
oct234307
9131747
1080071
1155182
123a407
132a5a4
1421275
1518ad1
hex138c7

80071 has 2 divisors, whose sum is σ = 80072. Its totient is φ = 80070.

The previous prime is 80051. The next prime is 80077. The reversal of 80071 is 17008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80071 - 25 = 80039 is a prime.

It is a super-2 number, since 2×800712 = 12822730082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40035 + 40036.

It is an arithmetic number, because the mean of its divisors is an integer number (40036).

280071 is an apocalyptic number.

80071 is a deficient number, since it is larger than the sum of its proper divisors (1).

80071 is an equidigital number, since it uses as much as digits as its factorization.

80071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 80071 is about 282.9681960928. The cubic root of 80071 is about 43.1014371034.

Adding to 80071 its reverse (17008), we get a palindrome (97079).

It can be divided in two parts, 8007 and 1, that added together give a palindrome (8008).

The spelling of 80071 in words is "eighty thousand, seventy-one".