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14420224 = 28713619
BaseRepresentation
bin110111000000…
…100100000000
31000010121211101
4313000210000
512142421344
61233024144
7233366320
oct67004400
930117741
1014420224
11815a145
1249b5054
132cab7a0
141cb5280
1513ec9d4
hexdc0900

14420224 has 72 divisors (see below), whose sum is σ = 35483840. Its totient is φ = 5695488.

The previous prime is 14420143. The next prime is 14420251. The reversal of 14420224 is 42202441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22987 + ... + 23605.

Almost surely, 214420224 is an apocalyptic number.

14420224 is a gapful number since it is divisible by the number (14) 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 14420224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17741920).

14420224 is an abundant number, since it is smaller than the sum of its proper divisors (21063616).

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

14420224 is an equidigital number, since it uses as much as digits as its factorization.

14420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 14420224 is about 3797.3970032115. The cubic root of 14420224 is about 243.4019214089.

Adding to 14420224 its reverse (42202441), we get a palindrome (56622665).

The spelling of 14420224 in words is "fourteen million, four hundred twenty thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 208 224 256 364 416 448 619 728 832 896 1238 1456 1664 1792 2476 2912 3328 4333 4952 5824 8047 8666 9904 11648 16094 17332 19808 23296 32188 34664 39616 56329 64376 69328 79232 112658 128752 138656 158464 225316 257504 277312 450632 515008 554624 901264 1030016 1109248 1802528 2060032 3605056 7210112 14420224