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11313185 = 513174049
BaseRepresentation
bin101011001010…
…000000100001
3210021202202212
4223022000201
510344010220
61042251505
7165106022
oct53120041
923252685
1011313185
116427844
123956b95
1324614c0
141706c49
15ed70c5
hexaca021

11313185 has 8 divisors (see below), whose sum is σ = 14620200. Its totient is φ = 8354304.

The previous prime is 11313173. The next prime is 11313193. The reversal of 11313185 is 58131311.

It can be written as a sum of positive squares in 4 ways, for example, as 350464 + 10962721 = 592^2 + 3311^2 .

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 11313185 - 214 = 11296801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11313185.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86960 + ... + 87089.

It is an arithmetic number, because the mean of its divisors is an integer number (1827525).

Almost surely, 211313185 is an apocalyptic number.

It is an amenable number.

11313185 is a deficient number, since it is larger than the sum of its proper divisors (3307015).

11313185 is a wasteful number, since it uses less digits than its factorization.

11313185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174067.

The product of its digits is 360, while the sum is 23.

The square root of 11313185 is about 3363.5078415250. The cubic root of 11313185 is about 224.4889470966.

Adding to 11313185 its reverse (58131311), we get a palindrome (69444496).

The spelling of 11313185 in words is "eleven million, three hundred thirteen thousand, one hundred eighty-five".

Divisors: 1 5 13 65 174049 870245 2262637 11313185