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80448971 is a prime number
BaseRepresentation
bin1001100101110…
…00110111001011
312121101020020112
410302320313023
5131043331341
611552144535
71664543051
oct462706713
9177336215
1080448971
1141458559
1222b3814b
1313889855
14a9821d1
1570e1aeb
hex4cb8dcb

80448971 has 2 divisors, whose sum is σ = 80448972. Its totient is φ = 80448970.

The previous prime is 80448959. The next prime is 80448997. The reversal of 80448971 is 17984408.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80448971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80448911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40224485 + 40224486.

It is an arithmetic number, because the mean of its divisors is an integer number (40224486).

Almost surely, 280448971 is an apocalyptic number.

80448971 is a deficient number, since it is larger than the sum of its proper divisors (1).

80448971 is an equidigital number, since it uses as much as digits as its factorization.

80448971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 80448971 is about 8969.3350366680. The cubic root of 80448971 is about 431.6915003544.

The spelling of 80448971 in words is "eighty million, four hundred forty-eight thousand, nine hundred seventy-one".