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109807 is a prime number
BaseRepresentation
bin11010110011101111
312120121221
4122303233
512003212
62204211
7635065
oct326357
9176557
10109807
1175555
1253667
133ac99
142c035
1522807
hex1acef

109807 has 2 divisors, whose sum is σ = 109808. Its totient is φ = 109806.

The previous prime is 109793. The next prime is 109819. The reversal of 109807 is 708901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109807 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

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 109807.

It is not a weakly prime, because it can be changed into another prime (109847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54903 + 54904.

It is an arithmetic number, because the mean of its divisors is an integer number (54904).

2109807 is an apocalyptic number.

109807 is a deficient number, since it is larger than the sum of its proper divisors (1).

109807 is an equidigital number, since it uses as much as digits as its factorization.

109807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 109807 is about 331.3713928510. The cubic root of 109807 is about 47.8861596193.

The spelling of 109807 in words is "one hundred nine thousand, eight hundred seven".