Search a number
-
+
29122305 = 353495563
BaseRepresentation
bin110111100010…
…1111100000001
32000210120021220
41233011330001
524423403210
62520105253
7502351452
oct157057401
960716256
1029122305
1115491023
129905229
136058644
143c21129
152853c70
hex1bc5f01

29122305 has 16 divisors (see below), whose sum is σ = 46737600. Its totient is φ = 15484608.

The previous prime is 29122277. The next prime is 29122319. The reversal of 29122305 is 50322192.

It is not a de Polignac number, because 29122305 - 212 = 29118209 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2454 + ... + 8016.

It is an arithmetic number, because the mean of its divisors is an integer number (2921100).

Almost surely, 229122305 is an apocalyptic number.

It is an amenable number.

29122305 is a deficient number, since it is larger than the sum of its proper divisors (17615295).

29122305 is a wasteful number, since it uses less digits than its factorization.

29122305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 29122305 is about 5396.5085935260. The cubic root of 29122305 is about 307.6629845213.

Adding to 29122305 its reverse (50322192), we get a palindrome (79444497).

The spelling of 29122305 in words is "twenty-nine million, one hundred twenty-two thousand, three hundred five".

Divisors: 1 3 5 15 349 1047 1745 5235 5563 16689 27815 83445 1941487 5824461 9707435 29122305