Base | Representation |
---|---|
bin | 111000000101… |
… | …1101100000101 |
3 | 2001100002012101 |
4 | 1300023230011 |
5 | 30012024010 |
6 | 2530152101 |
7 | 504651424 |
oct | 160135405 |
9 | 61302171 |
10 | 29408005 |
11 | 15666740 |
12 | 9a22631 |
13 | 61286b3 |
14 | 3c972bb |
15 | 28ad73a |
hex | 1c0bb05 |
29408005 has 16 divisors (see below), whose sum is σ = 38763648. Its totient is φ = 21240000.
The previous prime is 29407999. The next prime is 29408023. The reversal of 29408005 is 50080492.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-29408005 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 6535 + ... + 10075.
It is an arithmetic number, because the mean of its divisors is an integer number (2422728).
Almost surely, 229408005 is an apocalyptic number.
It is an amenable number.
29408005 is a deficient number, since it is larger than the sum of its proper divisors (9355643).
29408005 is a wasteful number, since it uses less digits than its factorization.
29408005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3708.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 29408005 is about 5422.9148066331. The cubic root of 29408005 is about 308.6658061284.
Adding to 29408005 its reverse (50080492), we get a palindrome (79488497).
The spelling of 29408005 in words is "twenty-nine million, four hundred eight thousand, five".
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