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18241043 is a prime number
BaseRepresentation
bin100010110010…
…1011000010011
31021022202000012
41011211120103
514132203133
61450545135
7311021612
oct105453023
937282005
1018241043
11a329847
1261381ab
133a18922
1425cb879
151904b48
hex1165613

18241043 has 2 divisors, whose sum is σ = 18241044. Its totient is φ = 18241042.

The previous prime is 18241031. The next prime is 18241081. The reversal of 18241043 is 34014281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18241043 - 26 = 18240979 is a prime.

It is not a weakly prime, because it can be changed into another prime (18241343) 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, 9120521 + 9120522.

It is an arithmetic number, because the mean of its divisors is an integer number (9120522).

Almost surely, 218241043 is an apocalyptic number.

18241043 is a deficient number, since it is larger than the sum of its proper divisors (1).

18241043 is an equidigital number, since it uses as much as digits as its factorization.

18241043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 18241043 is about 4270.9534064422. The cubic root of 18241043 is about 263.2387919268.

The spelling of 18241043 in words is "eighteen million, two hundred forty-one thousand, forty-three".