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115469 is a prime number
BaseRepresentation
bin11100001100001101
312212101122
4130030031
512143334
62250325
7660434
oct341415
9185348
10115469
1179832
12569a5
1340733
143011b
152432e
hex1c30d

115469 has 2 divisors, whose sum is σ = 115470. Its totient is φ = 115468.

The previous prime is 115459. The next prime is 115471. The reversal of 115469 is 964511.

115469 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 1225 = 338^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 115469 - 212 = 111373 is a prime.

It is a super-2 number, since 2×1154692 = 26666179922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 115471, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57734 + 57735.

It is an arithmetic number, because the mean of its divisors is an integer number (57735).

2115469 is an apocalyptic number.

It is an amenable number.

115469 is a deficient number, since it is larger than the sum of its proper divisors (1).

115469 is an equidigital number, since it uses as much as digits as its factorization.

115469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 115469 is about 339.8072983325. The cubic root of 115469 is about 48.6954594949.

It can be divided in two parts, 115 and 469, that multiplied together give a palindrome (53935).

The spelling of 115469 in words is "one hundred fifteen thousand, four hundred sixty-nine".