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14424228 = 223272131737
BaseRepresentation
bin110111000001…
…100010100100
31000010211022200
4313001202210
512143033403
61233054500
7233414100
oct67014244
930124280
1014424228
118162155
1249b7430
132cb0560
141cb6900
1513edca3
hexdc18a4

14424228 has 216 divisors, whose sum is σ = 49670712. Its totient is φ = 3483648.

The previous prime is 14424199. The next prime is 14424233. The reversal of 14424228 is 82242441.

14424228 is a `hidden beast` number, since 14 + 424 + 228 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4235364 + 10188864 = 2058^2 + 3192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 389826 + ... + 389862.

It is an arithmetic number, because the mean of its divisors is an integer number (229957).

Almost surely, 214424228 is an apocalyptic number.

14424228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14424228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24835356).

14424228 is an abundant number, since it is smaller than the sum of its proper divisors (35246484).

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

14424228 is a wasteful number, since it uses less digits than its factorization.

14424228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 79 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 14424228 is about 3797.9241698591. The cubic root of 14424228 is about 243.4244474368.

Adding to 14424228 its reverse (82242441), we get a palindrome (96666669).

The spelling of 14424228 in words is "fourteen million, four hundred twenty-four thousand, two hundred twenty-eight".