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BaseRepresentation
bin11010001100101101
312110012102
4122030231
511413214
62144445
7624566
oct321455
9173172
10107309
1173694
1252125
1339ac7
142b16d
1521bde
hex1a32d

107309 has 2 divisors, whose sum is σ = 107310. Its totient is φ = 107308.

The previous prime is 107279. The next prime is 107323. The reversal of 107309 is 903701.

107309 is nontrivially palindromic in base 12.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75625 + 31684 = 275^2 + 178^2 .

It is an emirp because it is prime and its reverse (903701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107309 - 28 = 107053 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 107309.

It is not a weakly prime, because it can be changed into another prime (107339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53654 + 53655.

It is an arithmetic number, because the mean of its divisors is an integer number (53655).

2107309 is an apocalyptic number.

It is an amenable number.

107309 is a deficient number, since it is larger than the sum of its proper divisors (1).

107309 is an equidigital number, since it uses as much as digits as its factorization.

107309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 107309 is about 327.5805244516. The cubic root of 107309 is about 47.5202499070.

The spelling of 107309 in words is "one hundred seven thousand, three hundred nine".