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14154443 = 101140143
BaseRepresentation
bin110101111111…
…101011001011
3222122010020122
4311333223023
512110420233
61223213455
7231211412
oct65775313
928563218
1014154443
117a98496
1248a728b
132c17814
141c46479
151398d98
hexd7facb

14154443 has 4 divisors (see below), whose sum is σ = 14294688. Its totient is φ = 14014200.

The previous prime is 14154401. The next prime is 14154451. The reversal of 14154443 is 34445141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34445141 = 101341041.

It is a cyclic number.

It is not a de Polignac number, because 14154443 - 28 = 14154187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14151443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69971 + ... + 70172.

It is an arithmetic number, because the mean of its divisors is an integer number (3573672).

Almost surely, 214154443 is an apocalyptic number.

14154443 is a deficient number, since it is larger than the sum of its proper divisors (140245).

14154443 is a wasteful number, since it uses less digits than its factorization.

14154443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140244.

The product of its digits is 3840, while the sum is 26.

The square root of 14154443 is about 3762.2390939439. The cubic root of 14154443 is about 241.8972482300.

Adding to 14154443 its reverse (34445141), we get a palindrome (48599584).

The spelling of 14154443 in words is "fourteen million, one hundred fifty-four thousand, four hundred forty-three".

Divisors: 1 101 140143 14154443