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80925773 is a prime number
BaseRepresentation
bin1001101001011…
…01010001001101
312122021110021212
410310231101031
5131204111043
612010304205
72001600125
oct464552115
9178243255
1080925773
1141753805
1223128065
13139c5896
14aa67c85
157188018
hex4d2d44d

80925773 has 2 divisors, whose sum is σ = 80925774. Its totient is φ = 80925772.

The previous prime is 80925743. The next prime is 80925791. The reversal of 80925773 is 37752908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72556324 + 8369449 = 8518^2 + 2893^2 .

It is a cyclic number.

It is not a de Polignac number, because 80925773 - 26 = 80925709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80925773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80925703) 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, 40462886 + 40462887.

It is an arithmetic number, because the mean of its divisors is an integer number (40462887).

Almost surely, 280925773 is an apocalyptic number.

It is an amenable number.

80925773 is a deficient number, since it is larger than the sum of its proper divisors (1).

80925773 is an equidigital number, since it uses as much as digits as its factorization.

80925773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 80925773 is about 8995.8753326177. The cubic root of 80925773 is about 432.5426654425.

The spelling of 80925773 in words is "eighty million, nine hundred twenty-five thousand, seven hundred seventy-three".