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18368341 is a prime number
BaseRepresentation
bin100011000010…
…0011101010101
31021120012121221
41012010131111
514200241331
61453410341
7312062005
oct106043525
937505557
1018368341
11a406452
1261999b1
133a61854
142622005
15192c711
hex1184755

18368341 has 2 divisors, whose sum is σ = 18368342. Its totient is φ = 18368340.

The previous prime is 18368323. The next prime is 18368351. The reversal of 18368341 is 14386381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9278116 + 9090225 = 3046^2 + 3015^2 .

It is a cyclic number.

It is not a de Polignac number, because 18368341 - 213 = 18360149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18368297 and 18368306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18368321) 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, 9184170 + 9184171.

It is an arithmetic number, because the mean of its divisors is an integer number (9184171).

Almost surely, 218368341 is an apocalyptic number.

It is an amenable number.

18368341 is a deficient number, since it is larger than the sum of its proper divisors (1).

18368341 is an equidigital number, since it uses as much as digits as its factorization.

18368341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 18368341 is about 4285.8302579547. The cubic root of 18368341 is about 263.8497241247.

The spelling of 18368341 in words is "eighteen million, three hundred sixty-eight thousand, three hundred forty-one".