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14131228 = 2234710181
BaseRepresentation
bin110101111010…
…000000011100
3222120221101211
4311322000130
512104144403
61222514204
7231053626
oct65720034
928527354
1014131228
117a82001
124895964
132c0a097
141c3bc16
15139206d
hexd7a01c

14131228 has 12 divisors (see below), whose sum is σ = 24803352. Its totient is φ = 7044560.

The previous prime is 14131147. The next prime is 14131237. The reversal of 14131228 is 82213141.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 14131199 and 14131208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3703 + ... + 6478.

It is an arithmetic number, because the mean of its divisors is an integer number (2066946).

Almost surely, 214131228 is an apocalyptic number.

It is an amenable number.

14131228 is a deficient number, since it is larger than the sum of its proper divisors (10672124).

14131228 is a wasteful number, since it uses less digits than its factorization.

14131228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532 (or 10530 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 14131228 is about 3759.1525640761. The cubic root of 14131228 is about 241.7649289404.

Adding to 14131228 its reverse (82213141), we get a palindrome (96344369).

The spelling of 14131228 in words is "fourteen million, one hundred thirty-one thousand, two hundred twenty-eight".

Divisors: 1 2 4 347 694 1388 10181 20362 40724 3532807 7065614 14131228