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80471299 is a prime number
BaseRepresentation
bin1001100101111…
…10010100000011
312121102100212111
410302332110003
5131100040144
611552440151
71664665126
oct462762403
9177370774
1080471299
1141473307
1222b49057
1313896a6c
14a98a3bd
1570e8534
hex4cbe503

80471299 has 2 divisors, whose sum is σ = 80471300. Its totient is φ = 80471298.

The previous prime is 80471291. The next prime is 80471309. The reversal of 80471299 is 99217408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80471299 - 23 = 80471291 is a prime.

It is not a weakly prime, because it can be changed into another prime (80471291) 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, 40235649 + 40235650.

It is an arithmetic number, because the mean of its divisors is an integer number (40235650).

Almost surely, 280471299 is an apocalyptic number.

80471299 is a deficient number, since it is larger than the sum of its proper divisors (1).

80471299 is an equidigital number, since it uses as much as digits as its factorization.

80471299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 80471299 is about 8970.5796356757. The cubic root of 80471299 is about 431.7314342243.

The spelling of 80471299 in words is "eighty million, four hundred seventy-one thousand, two hundred ninety-nine".