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13205324 = 22112979131
BaseRepresentation
bin110010010111…
…111101001100
3220211220022002
4302113331030
511340032244
61151011432
7220146326
oct62277514
926756262
1013205324
1174aa3a0
124509b78
132974802
141a7a616
15125ca4e
hexc97f4c

13205324 has 48 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 5678400.

The previous prime is 13205303. The next prime is 13205327. The reversal of 13205324 is 42350231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13205296 and 13205305.

It is not an unprimeable number, because it can be changed into a prime (13205327) 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, 100739 + ... + 100869.

It is an arithmetic number, because the mean of its divisors is an integer number (554400).

Almost surely, 213205324 is an apocalyptic number.

It is an amenable number.

13205324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13205324 is a wasteful number, since it uses less digits than its factorization.

13205324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13205324 is about 3633.9130424379. The cubic root of 13205324 is about 236.3649195017.

Adding to 13205324 its reverse (42350231), we get a palindrome (55555555).

The spelling of 13205324 in words is "thirteen million, two hundred five thousand, three hundred twenty-four".

Divisors: 1 2 4 11 22 29 44 58 79 116 131 158 262 316 319 524 638 869 1276 1441 1738 2291 2882 3476 3799 4582 5764 7598 9164 10349 15196 20698 25201 41396 41789 50402 83578 100804 113839 167156 227678 300121 455356 600242 1200484 3301331 6602662 13205324