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80004073 is a prime number
BaseRepresentation
bin1001100010011…
…00001111101001
312120112121221211
410301030033221
5130440112243
611534433121
71661011012
oct461141751
9176477854
1080004073
1141184276
12229627a1
13137621b6
14a8a8009
157054d9d
hex4c4c3e9

80004073 has 2 divisors, whose sum is σ = 80004074. Its totient is φ = 80004072.

The previous prime is 80004053. The next prime is 80004077. The reversal of 80004073 is 37040008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 32228329 = 6912^2 + 5677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80004073 is a prime.

It is not a weakly prime, because it can be changed into another prime (80004077) 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, 40002036 + 40002037.

It is an arithmetic number, because the mean of its divisors is an integer number (40002037).

Almost surely, 280004073 is an apocalyptic number.

It is an amenable number.

80004073 is a deficient number, since it is larger than the sum of its proper divisors (1).

80004073 is an equidigital number, since it uses as much as digits as its factorization.

80004073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 80004073 is about 8944.4995947230. The cubic root of 80004073 is about 430.8942503927.

The spelling of 80004073 in words is "eighty million, four thousand, seventy-three".