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18030041 is a prime number
BaseRepresentation
bin100010011000…
…1110111011001
31020221000120022
41010301313121
514103430131
61442240225
7306152501
oct104616731
936830508
1018030041
11a1a5267
126056075
133973883
142574a01
1518b237b
hex1131dd9

18030041 has 2 divisors, whose sum is σ = 18030042. Its totient is φ = 18030040.

The previous prime is 18029971. The next prime is 18030053. The reversal of 18030041 is 14003081.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17977600 + 52441 = 4240^2 + 229^2 .

It is an emirp because it is prime and its reverse (14003081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18030041 - 214 = 18013657 is a prime.

It is a Chen prime.

It is equal to p1153133 and since 18030041 and 1153133 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (18030071) 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, 9015020 + 9015021.

It is an arithmetic number, because the mean of its divisors is an integer number (9015021).

Almost surely, 218030041 is an apocalyptic number.

It is an amenable number.

18030041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18030041 is an equidigital number, since it uses as much as digits as its factorization.

18030041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 18030041 is about 4246.1795769845. The cubic root of 18030041 is about 262.2198541140.

The spelling of 18030041 in words is "eighteen million, thirty thousand, forty-one".