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29743143 = 343230567
BaseRepresentation
bin111000101110…
…1100000100111
32001222002220220
41301131200213
530103240033
62541255423
7510545463
oct161354047
961862826
1029743143
1115875511
129b64573
1362150c1
143d434a3
152927bb3
hex1c5d827

29743143 has 8 divisors (see below), whose sum is σ = 40579968. Its totient is φ = 19367544.

The previous prime is 29743127. The next prime is 29743171. The reversal of 29743143 is 34134792.

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

It is not a de Polignac number, because 29743143 - 24 = 29743127 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29743543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115155 + ... + 115412.

It is an arithmetic number, because the mean of its divisors is an integer number (5072496).

Almost surely, 229743143 is an apocalyptic number.

29743143 is a deficient number, since it is larger than the sum of its proper divisors (10836825).

29743143 is a wasteful number, since it uses less digits than its factorization.

29743143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230613.

The product of its digits is 18144, while the sum is 33.

The square root of 29743143 is about 5453.7274409343. The cubic root of 29743143 is about 309.8339138081.

The spelling of 29743143 in words is "twenty-nine million, seven hundred forty-three thousand, one hundred forty-three".

Divisors: 1 3 43 129 230567 691701 9914381 29743143