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109469 is a prime number
BaseRepresentation
bin11010101110011101
312120011102
4122232131
512000334
62202445
7634103
oct325635
9176142
10109469
1175278
1253425
133aa99
142bc73
152267e
hex1ab9d

109469 has 2 divisors, whose sum is σ = 109470. Its totient is φ = 109468.

The previous prime is 109453. The next prime is 109471. The reversal of 109469 is 964901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105625 + 3844 = 325^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 109469 - 24 = 109453 is a prime.

It is a super-2 number, since 2×1094692 = 23966923922, which contains 22 as substring.

Together with 109471, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54734 + 54735.

It is an arithmetic number, because the mean of its divisors is an integer number (54735).

2109469 is an apocalyptic number.

It is an amenable number.

109469 is a deficient number, since it is larger than the sum of its proper divisors (1).

109469 is an equidigital number, since it uses as much as digits as its factorization.

109469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 109469 is about 330.8609980037. The cubic root of 109469 is about 47.8369758773.

The spelling of 109469 in words is "one hundred nine thousand, four hundred sixty-nine".