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80284573 is a prime number
BaseRepresentation
bin1001100100100…
…00101110011101
312121001212201201
410302100232131
5131023101243
611544435501
71663256545
oct462205635
9177055651
1080284573
1141355a96
1222a78b91
131382ca85
14a93c325
1570ad04d
hex4c90b9d

80284573 has 2 divisors, whose sum is σ = 80284574. Its totient is φ = 80284572.

The previous prime is 80284531. The next prime is 80284613. The reversal of 80284573 is 37548208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80245764 + 38809 = 8958^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 80284573 - 213 = 80276381 is a prime.

It is a super-2 number, since 2×802845732 = 12891225323584658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80285573) 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, 40142286 + 40142287.

It is an arithmetic number, because the mean of its divisors is an integer number (40142287).

Almost surely, 280284573 is an apocalyptic number.

It is an amenable number.

80284573 is a deficient number, since it is larger than the sum of its proper divisors (1).

80284573 is an equidigital number, since it uses as much as digits as its factorization.

80284573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 80284573 is about 8960.1659024819. The cubic root of 80284573 is about 431.3972450214.

The spelling of 80284573 in words is "eighty million, two hundred eighty-four thousand, five hundred seventy-three".