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17401 is a prime number
BaseRepresentation
bin100001111111001
3212212111
410033321
51024101
6212321
7101506
oct41771
925774
1017401
111208a
12a0a1
137bc7
1464ad
155251
hex43f9

17401 has 2 divisors, whose sum is σ = 17402. Its totient is φ = 17400.

The previous prime is 17393. The next prime is 17417. The reversal of 17401 is 10471.

Adding to 17401 its reverse (10471), we get a palindrome (27872).

17401 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15376 + 2025 = 124^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 17401 - 23 = 17393 is a prime.

It is a Chen prime.

17401 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8700 + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (8701).

217401 is an apocalyptic number.

It is an amenable number.

17401 is a deficient number, since it is larger than the sum of its proper divisors (1).

17401 is an equidigital number, since it uses as much as digits as its factorization.

17401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 17401 is about 131.9128500185. The cubic root of 17401 is about 25.9134200960.

The spelling of 17401 in words is "seventeen thousand, four hundred one", and thus it is an iban number.