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11717117 = 89173761
BaseRepresentation
bin101100101100…
…100111111101
3211001021212022
4230230213331
510444421432
61055045525
7201410456
oct54544775
924037768
1011717117
116683275
123b108a5
132573309
1417b012d
151066b12
hexb2c9fd

11717117 has 8 divisors (see below), whose sum is σ = 11932920. Its totient is φ = 11503360.

The previous prime is 11717099. The next prime is 11717137. The reversal of 11717117 is 71171711.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 11600836 = 341^2 + 3406^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11717117 - 212 = 11713021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15017 + ... + 15777.

It is an arithmetic number, because the mean of its divisors is an integer number (1491615).

Almost surely, 211717117 is an apocalyptic number.

It is an amenable number.

11717117 is a deficient number, since it is larger than the sum of its proper divisors (215803).

11717117 is an equidigital number, since it uses as much as digits as its factorization.

11717117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its digits is 343, while the sum is 26.

The square root of 11717117 is about 3423.0274611811. The cubic root of 11717117 is about 227.1295230079.

Adding to 11717117 its reverse (71171711), we get a palindrome (82888828).

The spelling of 11717117 in words is "eleven million, seven hundred seventeen thousand, one hundred seventeen".

Divisors: 1 89 173 761 15397 67729 131653 11717117