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13224668 = 228214027
BaseRepresentation
bin110010011100…
…101011011100
3220212212211112
4302130223130
511341142133
61151241152
7220256612
oct62345334
926785745
1013224668
117512986
1245191b8
132980562
141a836b2
151263648
hexc9cadc

13224668 has 12 divisors (see below), whose sum is σ = 23177112. Its totient is φ = 6602640.

The previous prime is 13224647. The next prime is 13224671. The reversal of 13224668 is 86642231.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1271 + ... + 5297.

It is an arithmetic number, because the mean of its divisors is an integer number (1931426).

Almost surely, 213224668 is an apocalyptic number.

It is an amenable number.

13224668 is a deficient number, since it is larger than the sum of its proper divisors (9952444).

13224668 is a wasteful number, since it uses less digits than its factorization.

13224668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852 (or 4850 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 13224668 is about 3636.5736621166. The cubic root of 13224668 is about 236.4802773237.

Adding to 13224668 its reverse (86642231), we get a palindrome (99866899).

The spelling of 13224668 in words is "thirteen million, two hundred twenty-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 821 1642 3284 4027 8054 16108 3306167 6612334 13224668