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13350228 = 2231112519
BaseRepresentation
bin110010111011…
…010101010100
3221010021001220
4302323111110
511404201403
61154050340
7221321643
oct62732524
927107056
1013350228
117599251
1245799b0
1329c5758
141ab735a
15128a953
hexcbb554

13350228 has 12 divisors (see below), whose sum is σ = 31150560. Its totient is φ = 4450072.

The previous prime is 13350221. The next prime is 13350241. The reversal of 13350228 is 82205331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13350198 and 13350207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13350221) 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, 556248 + ... + 556271.

It is an arithmetic number, because the mean of its divisors is an integer number (2595880).

Almost surely, 213350228 is an apocalyptic number.

It is an amenable number.

13350228 is an abundant number, since it is smaller than the sum of its proper divisors (17800332).

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

13350228 is a wasteful number, since it uses less digits than its factorization.

13350228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112526 (or 1112524 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13350228 is about 3653.7963818472. The cubic root of 13350228 is about 237.2263322385.

Adding to 13350228 its reverse (82205331), we get a palindrome (95555559).

The spelling of 13350228 in words is "thirteen million, three hundred fifty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1112519 2225038 3337557 4450076 6675114 13350228