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80579297 is a prime number
BaseRepresentation
bin1001100110110…
…00101011100001
312121121212000102
410303120223201
5131112014142
611555032145
71665625031
oct463305341
9177555012
1080579297
1141537467
1222b9b655
1313903c76
14a9b78c1
15711a532
hex4cd8ae1

80579297 has 2 divisors, whose sum is σ = 80579298. Its totient is φ = 80579296.

The previous prime is 80579267. The next prime is 80579333. The reversal of 80579297 is 79297508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55338721 + 25240576 = 7439^2 + 5024^2 .

It is a cyclic number.

It is not a de Polignac number, because 80579297 - 28 = 80579041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80579207) 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, 40289648 + 40289649.

It is an arithmetic number, because the mean of its divisors is an integer number (40289649).

Almost surely, 280579297 is an apocalyptic number.

It is an amenable number.

80579297 is a deficient number, since it is larger than the sum of its proper divisors (1).

80579297 is an equidigital number, since it uses as much as digits as its factorization.

80579297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 80579297 is about 8976.5971837885. The cubic root of 80579297 is about 431.9244856147.

The spelling of 80579297 in words is "eighty million, five hundred seventy-nine thousand, two hundred ninety-seven".