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17680097 is a prime number
BaseRepresentation
bin100001101110…
…0011011100001
31020021020112102
41003130123201
514011230342
61430540145
7303164321
oct103343341
936236472
1017680097
119a86356
125b07655
1338804c6
1424c3281
151843832
hex10dc6e1

17680097 has 2 divisors, whose sum is σ = 17680098. Its totient is φ = 17680096.

The previous prime is 17680087. The next prime is 17680099. The reversal of 17680097 is 79008671.

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., 9834496 + 7845601 = 3136^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 17680097 - 28 = 17679841 is a prime.

Together with 17680099, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17680097.

It is not a weakly prime, because it can be changed into another prime (17680099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8840048 + 8840049.

It is an arithmetic number, because the mean of its divisors is an integer number (8840049).

Almost surely, 217680097 is an apocalyptic number.

It is an amenable number.

17680097 is a deficient number, since it is larger than the sum of its proper divisors (1).

17680097 is an equidigital number, since it uses as much as digits as its factorization.

17680097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 17680097 is about 4204.7707428586. The cubic root of 17680097 is about 260.5122887698.

The spelling of 17680097 in words is "seventeen million, six hundred eighty thousand, ninety-seven".