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80585473 is a prime number
BaseRepresentation
bin1001100110110…
…10001100000001
312121122011111011
410303122030001
5131112213343
611555120521
71665652033
oct463321401
9177564434
1080585473
1141541071
1222ba3141
1313906a17
14a9b9c53
15711c29d
hex4cda301

80585473 has 2 divisors, whose sum is σ = 80585474. Its totient is φ = 80585472.

The previous prime is 80585471. The next prime is 80585501. The reversal of 80585473 is 37458508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 39727809 = 6392^2 + 6303^2 .

It is a cyclic number.

It is not a de Polignac number, because 80585473 - 21 = 80585471 is a prime.

Together with 80585471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80585471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40292736 + 40292737.

It is an arithmetic number, because the mean of its divisors is an integer number (40292737).

Almost surely, 280585473 is an apocalyptic number.

It is an amenable number.

80585473 is a deficient number, since it is larger than the sum of its proper divisors (1).

80585473 is an equidigital number, since it uses as much as digits as its factorization.

80585473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 80585473 is about 8976.9411828306. The cubic root of 80585473 is about 431.9355202832.

It can be divided in two parts, 8058 and 5473, that added together give a palindrome (13531).

The spelling of 80585473 in words is "eighty million, five hundred eighty-five thousand, four hundred seventy-three".