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23225212 = 2228120663
BaseRepresentation
bin101100010011…
…0001101111100
31121200222000001
41120212031330
521421201322
62145444044
7401260663
oct130461574
947628001
1023225212
111212349a
127940624
134a7243a
143127dda
15208b827
hex162637c

23225212 has 12 divisors (see below), whose sum is σ = 40790736. Its totient is φ = 11570720.

The previous prime is 23225177. The next prime is 23225221. The reversal of 23225212 is 21252232.

It is a self number, because there is not a number n which added to its sum of digits gives 23225212.

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, 9208 + ... + 11455.

It is an arithmetic number, because the mean of its divisors is an integer number (3399228).

Almost surely, 223225212 is an apocalyptic number.

It is an amenable number.

23225212 is a deficient number, since it is larger than the sum of its proper divisors (17565524).

23225212 is a wasteful number, since it uses less digits than its factorization.

23225212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20948 (or 20946 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 23225212 is about 4819.2542991629. The cubic root of 23225212 is about 285.3119063936.

Adding to 23225212 its reverse (21252232), we get a palindrome (44477444).

The spelling of 23225212 in words is "twenty-three million, two hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 4 281 562 1124 20663 41326 82652 5806303 11612606 23225212