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14221443 = 319249499
BaseRepresentation
bin110110010000…
…000010000011
3222202112011010
4312100002003
512120041233
61224452003
7231610635
oct66200203
928675133
1014221443
118033865
12491a003
132c3c172
141c62a55
1513adb63
hexd90083

14221443 has 8 divisors (see below), whose sum is σ = 19960000. Its totient is φ = 8981928.

The previous prime is 14221421. The next prime is 14221483. The reversal of 14221443 is 34412241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14221443 - 210 = 14220419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14221483) 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, 124693 + ... + 124806.

It is an arithmetic number, because the mean of its divisors is an integer number (2495000).

Almost surely, 214221443 is an apocalyptic number.

14221443 is a deficient number, since it is larger than the sum of its proper divisors (5738557).

14221443 is a wasteful number, since it uses less digits than its factorization.

14221443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249521.

The product of its digits is 768, while the sum is 21.

The square root of 14221443 is about 3771.1328536661. The cubic root of 14221443 is about 242.2783208153.

Adding to 14221443 its reverse (34412241), we get a palindrome (48633684).

The spelling of 14221443 in words is "fourteen million, two hundred twenty-one thousand, four hundred forty-three".

Divisors: 1 3 19 57 249499 748497 4740481 14221443