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14971143 = 311453671
BaseRepresentation
bin111001000111…
…000100000111
31001011121112210
4321013010013
512313034033
61252514503
7241152435
oct71070407
931147483
1014971143
1184a6050
12501ba33
133142485
141db9d55
1514aad63
hexe47107

14971143 has 8 divisors (see below), whose sum is σ = 21776256. Its totient is φ = 9073400.

The previous prime is 14971139. The next prime is 14971157. The reversal of 14971143 is 34117941.

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

It is a cyclic number.

It is not a de Polignac number, because 14971143 - 22 = 14971139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14971143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14971133) 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 7 ways as a sum of consecutive naturals, for example, 226803 + ... + 226868.

It is an arithmetic number, because the mean of its divisors is an integer number (2722032).

Almost surely, 214971143 is an apocalyptic number.

14971143 is a deficient number, since it is larger than the sum of its proper divisors (6805113).

14971143 is a wasteful number, since it uses less digits than its factorization.

14971143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453685.

The product of its digits is 3024, while the sum is 30.

The square root of 14971143 is about 3869.2561300591. The cubic root of 14971143 is about 246.4629559486.

The spelling of 14971143 in words is "fourteen million, nine hundred seventy-one thousand, one hundred forty-three".

Divisors: 1 3 11 33 453671 1361013 4990381 14971143