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872041 is a prime number
BaseRepresentation
bin11010100111001101001
31122022012211
43110321221
5210401131
630405121
710261252
oct3247151
91568184
10872041
115461a5
123607a1
13246c01
14189b29
151235b1
hexd4e69

872041 has 2 divisors, whose sum is σ = 872042. Its totient is φ = 872040.

The previous prime is 872033. The next prime is 872057. The reversal of 872041 is 140278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646416 + 225625 = 804^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 872041 - 23 = 872033 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436020 + 436021.

It is an arithmetic number, because the mean of its divisors is an integer number (436021).

2872041 is an apocalyptic number.

It is an amenable number.

872041 is a deficient number, since it is larger than the sum of its proper divisors (1).

872041 is an equidigital number, since it uses as much as digits as its factorization.

872041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 872041 is about 933.8313552243. The cubic root of 872041 is about 95.5386209298.

The spelling of 872041 in words is "eight hundred seventy-two thousand, forty-one".