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80808071 is a prime number
BaseRepresentation
bin1001101000100…
…00100010000111
312122001110211112
410310100202013
5131141324241
612003555235
72000600021
oct464204207
9178043745
1080808071
1141683333
122308bb1b
1313984136
14aa37011
1571631eb
hex4d10887

80808071 has 2 divisors, whose sum is σ = 80808072. Its totient is φ = 80808070.

The previous prime is 80808059. The next prime is 80808107. The reversal of 80808071 is 17080808.

Together with next prime (80808107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80808071 - 210 = 80807047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80808001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40404035 + 40404036.

It is an arithmetic number, because the mean of its divisors is an integer number (40404036).

Almost surely, 280808071 is an apocalyptic number.

80808071 is a deficient number, since it is larger than the sum of its proper divisors (1).

80808071 is an equidigital number, since it uses as much as digits as its factorization.

80808071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 80808071 is about 8989.3309539698. The cubic root of 80808071 is about 432.3328606739.

Adding to 80808071 its reverse (17080808), we get a palindrome (97888879).

It can be divided in two parts, 8080807 and 1, that added together give a palindrome (8080808).

The spelling of 80808071 in words is "eighty million, eight hundred eight thousand, seventy-one".