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13824228 = 22311104729
BaseRepresentation
bin110100101111…
…000011100100
3222000100021110
4310233003210
512014333403
61212145020
7225334605
oct64570344
928010243
1013824228
117892390
124768170
132b30422
141b9bdac
151331103
hexd2f0e4

13824228 has 24 divisors (see below), whose sum is σ = 35189280. Its totient is φ = 4189120.

The previous prime is 13824227. The next prime is 13824241. The reversal of 13824228 is 82242831.

13824228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138242282 = 382218559591968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13824195 and 13824204.

It is not an unprimeable number, because it can be changed into a prime (13824227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52233 + ... + 52496.

It is an arithmetic number, because the mean of its divisors is an integer number (1466220).

Almost surely, 213824228 is an apocalyptic number.

It is an amenable number.

13824228 is an abundant number, since it is smaller than the sum of its proper divisors (21365052).

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

13824228 is a wasteful number, since it uses less digits than its factorization.

13824228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104747 (or 104745 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 13824228 is about 3718.0946733509. The cubic root of 13824228 is about 240.0013194372.

The spelling of 13824228 in words is "thirteen million, eight hundred twenty-four thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 104729 209458 314187 418916 628374 1152019 1256748 2304038 3456057 4608076 6912114 13824228