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13023223 = 37523673
BaseRepresentation
bin110001101011…
…011111110111
3220111122111121
4301223133313
511313220343
61143044411
7215460403
oct61533767
926448447
1013023223
1173955a4
124440707
13290c965
141a30103
151223aed
hexc6b7f7

13023223 has 8 divisors (see below), whose sum is σ = 13420688. Its totient is φ = 12628224.

The previous prime is 13023203. The next prime is 13023251. The reversal of 13023223 is 32232031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13023223 - 25 = 13023191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13023197 and 13023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19015 + ... + 19687.

It is an arithmetic number, because the mean of its divisors is an integer number (1677586).

Almost surely, 213023223 is an apocalyptic number.

13023223 is a deficient number, since it is larger than the sum of its proper divisors (397465).

13023223 is an equidigital number, since it uses as much as digits as its factorization.

13023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

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

The square root of 13023223 is about 3608.7702891705. The cubic root of 13023223 is about 235.2733984195.

Adding to 13023223 its reverse (32232031), we get a palindrome (45255254).

The spelling of 13023223 in words is "thirteen million, twenty-three thousand, two hundred twenty-three".

Divisors: 1 37 523 673 19351 24901 351979 13023223