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80315273 is a prime number
BaseRepresentation
bin1001100100110…
…00001110001001
312121010102211202
410302120032021
5131030042043
611545233545
71663445213
oct462301611
9177112752
1080315273
1141377065
1222a928b5
1313840a3c
14a9495b3
1570b71b8
hex4c98389

80315273 has 2 divisors, whose sum is σ = 80315274. Its totient is φ = 80315272.

The previous prime is 80315267. The next prime is 80315281. The reversal of 80315273 is 37251308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51724864 + 28590409 = 7192^2 + 5347^2 .

It is a cyclic number.

It is not a de Polignac number, because 80315273 - 212 = 80311177 is a prime.

It is not a weakly prime, because it can be changed into another prime (80315243) 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, 40157636 + 40157637.

It is an arithmetic number, because the mean of its divisors is an integer number (40157637).

Almost surely, 280315273 is an apocalyptic number.

It is an amenable number.

80315273 is a deficient number, since it is larger than the sum of its proper divisors (1).

80315273 is an equidigital number, since it uses as much as digits as its factorization.

80315273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 80315273 is about 8961.8788766642. The cubic root of 80315273 is about 431.4522253128.

The spelling of 80315273 in words is "eighty million, three hundred fifteen thousand, two hundred seventy-three".