Search a number
-
+
29147105 = 5134110937
BaseRepresentation
bin110111100101…
…1111111100001
32000211211022102
41233023333201
524430201410
62520420145
7502513661
oct157137741
960754272
1029147105
11154a8719
129917655
136066a10
143c2a1a1
15285b2a5
hex1bcbfe1

29147105 has 16 divisors (see below), whose sum is σ = 38589264. Its totient is φ = 20997120.

The previous prime is 29147101. The next prime is 29147113. The reversal of 29147105 is 50174192.

It can be written as a sum of positive squares in 8 ways, for example, as 1940449 + 27206656 = 1393^2 + 5216^2 .

It is not a de Polignac number, because 29147105 - 22 = 29147101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29147101) 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 15 ways as a sum of consecutive naturals, for example, 2804 + ... + 8133.

It is an arithmetic number, because the mean of its divisors is an integer number (2411829).

Almost surely, 229147105 is an apocalyptic number.

It is an amenable number.

29147105 is a deficient number, since it is larger than the sum of its proper divisors (9442159).

29147105 is a wasteful number, since it uses less digits than its factorization.

29147105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10996.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 29147105 is about 5398.8058864901. The cubic root of 29147105 is about 307.7502930542.

The spelling of 29147105 in words is "twenty-nine million, one hundred forty-seven thousand, one hundred five".

Divisors: 1 5 13 41 65 205 533 2665 10937 54685 142181 448417 710905 2242085 5829421 29147105