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17900713 is a prime number
BaseRepresentation
bin100010001001…
…0010010101001
31020200110011101
41010102102221
514040310323
61435401401
7305103445
oct104222251
936613141
1017900713
11a117086
125bb3261
133929a4c
14253d825
151888dad
hex11124a9

17900713 has 2 divisors, whose sum is σ = 17900714. Its totient is φ = 17900712.

The previous prime is 17900699. The next prime is 17900731. The reversal of 17900713 is 31700971.

It is a happy number.

Together with next prime (17900731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15904144 + 1996569 = 3988^2 + 1413^2 .

It is a cyclic number.

It is not a de Polignac number, because 17900713 - 25 = 17900681 is a prime.

It is a super-3 number, since 3×179007133 (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (17901713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8950356 + 8950357.

It is an arithmetic number, because the mean of its divisors is an integer number (8950357).

Almost surely, 217900713 is an apocalyptic number.

It is an amenable number.

17900713 is a deficient number, since it is larger than the sum of its proper divisors (1).

17900713 is an equidigital number, since it uses as much as digits as its factorization.

17900713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 17900713 is about 4230.9234216658. The cubic root of 17900713 is about 261.5913885898.

The spelling of 17900713 in words is "seventeen million, nine hundred thousand, seven hundred thirteen".