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80838071 is a prime number
BaseRepresentation
bin1001101000101…
…11110110110111
312122002222222122
410310113312313
5131143304241
612004350155
72001053336
oct464276667
9178088878
1080838071
11416a3926
12230a535b
13139949a2
14aa43d1d
15716c04b
hex4d17db7

80838071 has 2 divisors, whose sum is σ = 80838072. Its totient is φ = 80838070.

The previous prime is 80838067. The next prime is 80838097. The reversal of 80838071 is 17083808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80838071 - 22 = 80838067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80838061) 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, 40419035 + 40419036.

It is an arithmetic number, because the mean of its divisors is an integer number (40419036).

Almost surely, 280838071 is an apocalyptic number.

80838071 is a deficient number, since it is larger than the sum of its proper divisors (1).

80838071 is an equidigital number, since it uses as much as digits as its factorization.

80838071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 80838071 is about 8990.9994438883. Note that the first 3 decimals coincide. The cubic root of 80838071 is about 432.3863552525.

It can be divided in two parts, 8083807 and 1, that added together give a palindrome (8083808).

The spelling of 80838071 in words is "eighty million, eight hundred thirty-eight thousand, seventy-one".