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29147049 = 32231391013
BaseRepresentation
bin110111100101…
…1111110101001
32000211211020100
41233023332221
524430201144
62520420013
7502513551
oct157137651
960754210
1029147049
11154a8678
129917609
136066999
143c2a161
15285b269
hex1bcbfa9

29147049 has 24 divisors (see below), whose sum is σ = 44291520. Its totient is φ = 18434592.

The previous prime is 29147039. The next prime is 29147051. The reversal of 29147049 is 94074192.

It is not a de Polignac number, because 29147049 - 24 = 29147033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29147029) 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 23 ways as a sum of consecutive naturals, for example, 28267 + ... + 29279.

It is an arithmetic number, because the mean of its divisors is an integer number (1845480).

Almost surely, 229147049 is an apocalyptic number.

It is an amenable number.

29147049 is a deficient number, since it is larger than the sum of its proper divisors (15144471).

29147049 is a wasteful number, since it uses less digits than its factorization.

29147049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 29147049 is about 5398.8007001555. The cubic root of 29147049 is about 307.7500959617.

The spelling of 29147049 in words is "twenty-nine million, one hundred forty-seven thousand, forty-nine".

Divisors: 1 3 9 23 69 139 207 417 1013 1251 3039 3197 9117 9591 23299 28773 69897 140807 209691 422421 1267263 3238561 9715683 29147049