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13032223 = 295361139
BaseRepresentation
bin110001101101…
…101100011111
3220112002211221
4301231230133
511314012343
61143154211
7215525551
oct61555437
926462757
1013032223
1173a1336
124445967
132913a99
141a334d1
1512265ed
hexc6db1f

13032223 has 16 divisors (see below), whose sum is σ = 14061600. Its totient is φ = 12055680.

The previous prime is 13032221. The next prime is 13032277. The reversal of 13032223 is 32223031.

It is a cyclic number.

It is not a de Polignac number, because 13032223 - 21 = 13032221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13032197 and 13032206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032221) 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, 93688 + ... + 93826.

It is an arithmetic number, because the mean of its divisors is an integer number (878850).

Almost surely, 213032223 is an apocalyptic number.

13032223 is a deficient number, since it is larger than the sum of its proper divisors (1029377).

13032223 is a wasteful number, since it uses less digits than its factorization.

13032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13032223 is about 3610.0170359709. The cubic root of 13032223 is about 235.3275829839.

Adding to 13032223 its reverse (32223031), we get a palindrome (45255254).

The spelling of 13032223 in words is "thirteen million, thirty-two thousand, two hundred twenty-three".

Divisors: 1 29 53 61 139 1537 1769 3233 4031 7367 8479 93757 213643 245891 449387 13032223