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5580181 is a prime number
BaseRepresentation
bin10101010010010110010101
3101111111120101
4111102112111
52412031211
6315334101
765300515
oct25222625
911444511
105580181
113171522
121a51331
131204ba9
14a53845
157535c1
hex552595

5580181 has 2 divisors, whose sum is σ = 5580182. Its totient is φ = 5580180.

The previous prime is 5580163. The next prime is 5580227. The reversal of 5580181 is 1810855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4040100 + 1540081 = 2010^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 5580181 - 29 = 5579669 is a prime.

It is a super-2 number, since 2×55801812 = 62276839985522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5580101) 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, 2790090 + 2790091.

It is an arithmetic number, because the mean of its divisors is an integer number (2790091).

Almost surely, 25580181 is an apocalyptic number.

It is an amenable number.

5580181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5580181 is an equidigital number, since it uses as much as digits as its factorization.

5580181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 5580181 is about 2362.2406735978. The cubic root of 5580181 is about 177.3710602297.

The spelling of 5580181 in words is "five million, five hundred eighty thousand, one hundred eighty-one".