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180005341 is a prime number
BaseRepresentation
bin10101011101010…
…10100111011101
3110112201012220111
422232222213131
5332040132331
625510050021
74314006625
oct1256524735
9415635814
10180005341
119267674a
1250349911
132b3a6449
1419c99885
1510c09db1
hexabaa9dd

180005341 has 2 divisors, whose sum is σ = 180005342. Its totient is φ = 180005340.

The previous prime is 180005339. The next prime is 180005381. The reversal of 180005341 is 143500081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179828100 + 177241 = 13410^2 + 421^2 .

It is an emirp because it is prime and its reverse (143500081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180005341 - 21 = 180005339 is a prime.

Together with 180005339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180005321) 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, 90002670 + 90002671.

It is an arithmetic number, because the mean of its divisors is an integer number (90002671).

Almost surely, 2180005341 is an apocalyptic number.

It is an amenable number.

180005341 is a deficient number, since it is larger than the sum of its proper divisors (1).

180005341 is an equidigital number, since it uses as much as digits as its factorization.

180005341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 180005341 is about 13416.6069108400. The cubic root of 180005341 is about 564.6272017994.

The spelling of 180005341 in words is "one hundred eighty million, five thousand, three hundred forty-one".