Base | Representation |
---|---|
bin | 1111011010000… |
… | …01101110001100 |
3 | 100000012021111110 |
4 | 13231001232030 |
5 | 231041302134 |
6 | 20454052020 |
7 | 3126361536 |
oct | 755015614 |
9 | 300167443 |
10 | 129244044 |
11 | 66a55a66 |
12 | 3734a010 |
13 | 20a12687 |
14 | 13244856 |
15 | b52e7e9 |
hex | 7b41b8c |
129244044 has 24 divisors (see below), whose sum is σ = 304558128. Its totient is φ = 42654400.
The previous prime is 129244033. The next prime is 129244103. The reversal of 129244044 is 440442921.
129244044 is nontrivially palindromic in base 11.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52107 + ... + 54530.
It is an arithmetic number, because the mean of its divisors is an integer number (12689922).
Almost surely, 2129244044 is an apocalyptic number.
It is an amenable number.
129244044 is an abundant number, since it is smaller than the sum of its proper divisors (175314084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129244044 is a wasteful number, since it uses less digits than its factorization.
129244044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106745 (or 106743 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 129244044 is about 11368.5550533038. Note that the first 3 decimals coincide. The cubic root of 129244044 is about 505.5958643025.
Adding to 129244044 its reverse (440442921), we get a palindrome (569686965).
The spelling of 129244044 in words is "one hundred twenty-nine million, two hundred forty-four thousand, forty-four".
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