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29393271 = 3211712789
BaseRepresentation
bin111000000100…
…0000101110111
32001022022222200
41300020011313
530011041041
62525555543
7504560445
oct160100567
961268880
1029393271
1115656666
129a15bb3
136121a8b
143c91b95
1528a91b6
hex1c08177

29393271 has 12 divisors (see below), whose sum is σ = 42508440. Its totient is φ = 19571760.

The previous prime is 29393249. The next prime is 29393279. The reversal of 29393271 is 17239392.

It is not a de Polignac number, because 29393271 - 211 = 29391223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29393279) 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 11 ways as a sum of consecutive naturals, for example, 9145 + ... + 11933.

It is an arithmetic number, because the mean of its divisors is an integer number (3542370).

Almost surely, 229393271 is an apocalyptic number.

29393271 is a deficient number, since it is larger than the sum of its proper divisors (13115169).

29393271 is a wasteful number, since it uses less digits than its factorization.

29393271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966 (or 3963 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 29393271 is about 5421.5561419209. The cubic root of 29393271 is about 308.6142482648.

The spelling of 29393271 in words is "twenty-nine million, three hundred ninety-three thousand, two hundred seventy-one".

Divisors: 1 3 9 1171 2789 3513 8367 10539 25101 3265919 9797757 29393271