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13243323 = 3171979173
BaseRepresentation
bin110010100001…
…001110111011
3220220211102110
4302201032323
511342241243
61151503403
7220365162
oct62411673
926824373
1013243323
1175259a5
124527b63
132988bb2
141a8a3d9
151268e33
hexca13bb

13243323 has 32 divisors (see below), whose sum is σ = 20044800. Its totient is φ = 7727616.

The previous prime is 13243319. The next prime is 13243327. The reversal of 13243323 is 32334231.

It is an interprime number because it is at equal distance from previous prime (13243319) and next prime (13243327).

It is not a de Polignac number, because 13243323 - 22 = 13243319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13243323.

It is not an unprimeable number, because it can be changed into a prime (13243327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76465 + ... + 76637.

It is an arithmetic number, because the mean of its divisors is an integer number (626400).

Almost surely, 213243323 is an apocalyptic number.

13243323 is a deficient number, since it is larger than the sum of its proper divisors (6801477).

13243323 is a wasteful number, since it uses less digits than its factorization.

13243323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its digits is 1296, while the sum is 21.

The square root of 13243323 is about 3639.1376725812. The cubic root of 13243323 is about 236.5914197953.

Adding to 13243323 its reverse (32334231), we get a palindrome (45577554).

The spelling of 13243323 in words is "thirteen million, two hundred forty-three thousand, three hundred twenty-three".

Divisors: 1 3 17 19 51 57 79 173 237 323 519 969 1343 1501 2941 3287 4029 4503 8823 9861 13667 25517 41001 55879 76551 167637 232339 259673 697017 779019 4414441 13243323