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13223896 = 2372310267
BaseRepresentation
bin110010011100…
…011111011000
3220212211202221
4302130133120
511341131041
61151233424
7220254430
oct62343730
926784687
1013223896
117512344
124518874
1329800ba
141a832c0
1512632d1
hexc9c7d8

13223896 has 32 divisors (see below), whose sum is σ = 29571840. Its totient is φ = 5420448.

The previous prime is 13223893. The next prime is 13223923. The reversal of 13223896 is 69832231.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223893) 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 7 ways as a sum of consecutive naturals, for example, 3846 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (924120).

Almost surely, 213223896 is an apocalyptic number.

It is an amenable number.

13223896 is an abundant number, since it is smaller than the sum of its proper divisors (16347944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223896 is a wasteful number, since it uses less digits than its factorization.

13223896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303 (or 10299 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 13223896 is about 3636.4675166980. The cubic root of 13223896 is about 236.4756756625.

The spelling of 13223896 in words is "thirteen million, two hundred twenty-three thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 10267 20534 41068 71869 82136 143738 236141 287476 472282 574952 944564 1652987 1889128 3305974 6611948 13223896