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317089 is a prime number
BaseRepresentation
bin1001101011010100001
3121002222001
41031122201
540121324
610444001
72460313
oct1153241
9532861
10317089
111a7263
12133601
13b1436
14837b3
1563e44
hex4d6a1

317089 has 2 divisors, whose sum is σ = 317090. Its totient is φ = 317088.

The previous prime is 317087. The next prime is 317123. The reversal of 317089 is 980713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187489 + 129600 = 433^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 317089 - 21 = 317087 is a prime.

Together with 317087, it forms a pair of twin primes.

317089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (317087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158544 + 158545.

It is an arithmetic number, because the mean of its divisors is an integer number (158545).

2317089 is an apocalyptic number.

It is an amenable number.

317089 is a deficient number, since it is larger than the sum of its proper divisors (1).

317089 is an equidigital number, since it uses as much as digits as its factorization.

317089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 317089 is about 563.1065618513. The cubic root of 317089 is about 68.1909999217.

The spelling of 317089 in words is "three hundred seventeen thousand, eighty-nine".