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14243216 = 241368477
BaseRepresentation
bin110110010101…
…010110010000
3222210122000112
4312111112100
512121240331
61225140452
7232031261
oct66252620
928718015
1014243216
118049159
12492a728
132c49050
141c6a968
1513b532b
hexd95590

14243216 has 20 divisors (see below), whose sum is σ = 29719452. Its totient is φ = 6573696.

The previous prime is 14243213. The next prime is 14243221. The reversal of 14243216 is 61234241.

It can be written as a sum of positive squares in 2 ways, for example, as 5856400 + 8386816 = 2420^2 + 2896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14243191 and 14243200.

It is not an unprimeable number, because it can be changed into a prime (14243213) by changing a digit.

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, 34031 + ... + 34446.

Almost surely, 214243216 is an apocalyptic number.

14243216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14243216 is an abundant number, since it is smaller than the sum of its proper divisors (15476236).

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

14243216 is a wasteful number, since it uses less digits than its factorization.

14243216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68498 (or 68492 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 14243216 is about 3774.0185479141. The cubic root of 14243216 is about 242.4019003071.

Adding to 14243216 its reverse (61234241), we get a palindrome (75477457).

Subtracting 14243216 from its reverse (61234241), we obtain a square (46991025 = 68552).

The spelling of 14243216 in words is "fourteen million, two hundred forty-three thousand, two hundred sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 208 68477 136954 273908 547816 890201 1095632 1780402 3560804 7121608 14243216