Search a number
-
+
11305255 = 513217787
BaseRepresentation
bin101011001000…
…000100100111
3210021100220011
4223020010213
510343232010
61042151051
7165043633
oct53100447
923240804
1011305255
116421895
123952487
13245aa00
141703dc3
15ed4a8a
hexac8127

11305255 has 24 divisors (see below), whose sum is σ = 15574032. Its totient is φ = 7847424.

The previous prime is 11305237. The next prime is 11305267. The reversal of 11305255 is 55250311.

It is not a de Polignac number, because 11305255 - 27 = 11305127 is a prime.

It is a super-3 number, since 3×113052553 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13972 + ... + 14758.

It is an arithmetic number, because the mean of its divisors is an integer number (648918).

Almost surely, 211305255 is an apocalyptic number.

11305255 is a deficient number, since it is larger than the sum of its proper divisors (4268777).

11305255 is a wasteful number, since it uses less digits than its factorization.

11305255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 11305255 is about 3362.3288060509. The cubic root of 11305255 is about 224.4364828420.

Adding to 11305255 its reverse (55250311), we get a palindrome (66555566).

The spelling of 11305255 in words is "eleven million, three hundred five thousand, two hundred fifty-five".

Divisors: 1 5 13 17 65 85 169 221 787 845 1105 2873 3935 10231 13379 14365 51155 66895 133003 173927 665015 869635 2261051 11305255