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80905327 is a prime number
BaseRepresentation
bin1001101001010…
…00010001101111
312122020102020121
410310220101233
5131202432302
612010025411
72001453406
oct464502157
9178212217
1080905327
114173a408
1223118267
13139b9499
14aa6063d
157181e37
hex4d2846f

80905327 has 2 divisors, whose sum is σ = 80905328. Its totient is φ = 80905326.

The previous prime is 80905313. The next prime is 80905333. The reversal of 80905327 is 72350908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80905327 - 215 = 80872559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80905292 and 80905301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80900327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40452663 + 40452664.

It is an arithmetic number, because the mean of its divisors is an integer number (40452664).

Almost surely, 280905327 is an apocalyptic number.

80905327 is a deficient number, since it is larger than the sum of its proper divisors (1).

80905327 is an equidigital number, since it uses as much as digits as its factorization.

80905327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 80905327 is about 8994.7388511285. The cubic root of 80905327 is about 432.5062348885.

The spelling of 80905327 in words is "eighty million, nine hundred five thousand, three hundred twenty-seven".