Search a number
-
+
13252305 = 351180317
BaseRepresentation
bin110010100011…
…011011010001
3220221021202010
4302203123101
511343033210
61152013133
7220433313
oct62433321
926837663
1013252305
117531720
1245311a9
132990001
141a8d7b3
15126b920
hexca36d1

13252305 has 16 divisors (see below), whose sum is σ = 23131584. Its totient is φ = 6425280.

The previous prime is 13252303. The next prime is 13252313. The reversal of 13252305 is 50325231.

13252305 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13252305 - 21 = 13252303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13252303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39994 + ... + 40323.

It is an arithmetic number, because the mean of its divisors is an integer number (1445724).

Almost surely, 213252305 is an apocalyptic number.

13252305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13252305 is a deficient number, since it is larger than the sum of its proper divisors (9879279).

13252305 is a wasteful number, since it uses less digits than its factorization.

13252305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80336.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13252305 is about 3640.3715469715. The cubic root of 13252305 is about 236.6448953942.

Adding to 13252305 its reverse (50325231), we get a palindrome (63577536).

The spelling of 13252305 in words is "thirteen million, two hundred fifty-two thousand, three hundred five".

Divisors: 1 3 5 11 15 33 55 165 80317 240951 401585 883487 1204755 2650461 4417435 13252305