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29143146 = 2310148091
BaseRepresentation
bin110111100101…
…1000001101010
32000211121212210
41233023001222
524430040041
62520345550
7502466304
oct157130152
960747783
1029143146
11154a574a
1299152b6
136064c86
143c28974
15285a016
hex1bcb06a

29143146 has 16 divisors (see below), whose sum is σ = 58864608. Its totient is φ = 9618000.

The previous prime is 29143141. The next prime is 29143159. The reversal of 29143146 is 64134192.

It is not an unprimeable number, because it can be changed into a prime (29143141) 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, 23440 + ... + 24651.

It is an arithmetic number, because the mean of its divisors is an integer number (3679038).

Almost surely, 229143146 is an apocalyptic number.

29143146 is an abundant number, since it is smaller than the sum of its proper divisors (29721462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29143146 is a wasteful number, since it uses less digits than its factorization.

29143146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48197.

The product of its digits is 5184, while the sum is 30.

The square root of 29143146 is about 5398.4392188854. The cubic root of 29143146 is about 307.7363586963.

The spelling of 29143146 in words is "twenty-nine million, one hundred forty-three thousand, one hundred forty-six".

Divisors: 1 2 3 6 101 202 303 606 48091 96182 144273 288546 4857191 9714382 14571573 29143146