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13224393 = 3271367241
BaseRepresentation
bin110010011100…
…100111001001
3220212212110100
4302130213021
511341140033
61151240013
7220256040
oct62344711
926785410
1013224393
117512756
124519009
1329803b0
141a83557
151263513
hexc9c9c9

13224393 has 48 divisors (see below), whose sum is σ = 23959936. Its totient is φ = 6842880.

The previous prime is 13224391. The next prime is 13224457. The reversal of 13224393 is 39342231.

It is a happy number.

13224393 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 13224393 - 21 = 13224391 is a prime.

13224393 is an undulating number in base 16.

It is not an unprimeable number, because it can be changed into a prime (13224391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54753 + ... + 54993.

Almost surely, 213224393 is an apocalyptic number.

13224393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13224393 is a deficient number, since it is larger than the sum of its proper divisors (10735543).

13224393 is a wasteful number, since it uses less digits than its factorization.

13224393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 331 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 13224393 is about 3636.5358516038. The cubic root of 13224393 is about 236.4786381515.

The spelling of 13224393 in words is "thirteen million, two hundred twenty-four thousand, three hundred ninety-three".

Divisors: 1 3 7 9 13 21 39 63 67 91 117 201 241 273 469 603 723 819 871 1407 1687 2169 2613 3133 4221 5061 6097 7839 9399 15183 16147 18291 21931 28197 48441 54873 65793 113029 145323 197379 209911 339087 629733 1017261 1469377 1889199 4408131 13224393