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80455247 is a prime number
BaseRepresentation
bin1001100101110…
…10011001001111
312121101112211222
410302322121033
5131044031442
611552233555
71664600255
oct462723117
9177345758
1080455247
1141462244
1222b3b8bb
131388c672
14a9845d5
1570e38d2
hex4cba64f

80455247 has 2 divisors, whose sum is σ = 80455248. Its totient is φ = 80455246.

The previous prime is 80455241. The next prime is 80455321. The reversal of 80455247 is 74255408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80455247 - 24 = 80455231 is a prime.

It is a Chen prime.

It is a zygodrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80455241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40227623 + 40227624.

It is an arithmetic number, because the mean of its divisors is an integer number (40227624).

Almost surely, 280455247 is an apocalyptic number.

80455247 is a deficient number, since it is larger than the sum of its proper divisors (1).

80455247 is an equidigital number, since it uses as much as digits as its factorization.

80455247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 80455247 is about 8969.6848885566. The cubic root of 80455247 is about 431.7027257949.

The spelling of 80455247 in words is "eighty million, four hundred fifty-five thousand, two hundred forty-seven".