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47225212 = 2217965957
BaseRepresentation
bin1011010000100…
…1100101111100
310021212021210221
42310021211330
544042201322
64404111124
71112256556
oct264114574
9107767727
1047225212
1124726001
12139954a4
139a26418
1463b44d6
15422c9c7
hex2d0997c

47225212 has 12 divisors (see below), whose sum is σ = 83107080. Its totient is φ = 23480336.

The previous prime is 47225197. The next prime is 47225219. The reversal of 47225212 is 21252274.

47225212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47225219) 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 3 ways as a sum of consecutive naturals, for example, 32263 + ... + 33694.

It is an arithmetic number, because the mean of its divisors is an integer number (6925590).

Almost surely, 247225212 is an apocalyptic number.

It is an amenable number.

47225212 is a deficient number, since it is larger than the sum of its proper divisors (35881868).

47225212 is a wasteful number, since it uses less digits than its factorization.

47225212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66140 (or 66138 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 47225212 is about 6872.0602442062. The cubic root of 47225212 is about 361.4581088784.

Adding to 47225212 its reverse (21252274), we get a palindrome (68477486).

The spelling of 47225212 in words is "forty-seven million, two hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 4 179 358 716 65957 131914 263828 11806303 23612606 47225212