Base | Representation |
---|---|
bin | 10001001100010… |
… | …00100001110001 |
3 | 101001100211121001 |
4 | 20212020201301 |
5 | 243404323004 |
6 | 22151002001 |
7 | 3400541233 |
oct | 1046104161 |
9 | 331324531 |
10 | 144214129 |
11 | 74450234 |
12 | 40369301 |
13 | 23b54507 |
14 | 15220253 |
15 | c9da1a4 |
hex | 8988871 |
144214129 has 8 divisors (see below), whose sum is σ = 149625000. Its totient is φ = 138832512.
The previous prime is 144214099. The next prime is 144214141. The reversal of 144214129 is 921412441.
It can be written as a sum of positive squares in 4 ways, for example, as 52533504 + 91680625 = 7248^2 + 9575^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144214129 - 217 = 144083057 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144214097 and 144214106.
It is not an unprimeable number, because it can be changed into a prime (144214229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2997 + ... + 17245.
It is an arithmetic number, because the mean of its divisors is an integer number (18703125).
Almost surely, 2144214129 is an apocalyptic number.
It is an amenable number.
144214129 is a deficient number, since it is larger than the sum of its proper divisors (5410871).
144214129 is a wasteful number, since it uses less digits than its factorization.
144214129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14627.
The product of its digits is 2304, while the sum is 28.
The square root of 144214129 is about 12008.9187273459. The cubic root of 144214129 is about 524.4079542148.
It can be divided in two parts, 1442141 and 29, that multiplied together give a square (41822089 = 64672).
The spelling of 144214129 in words is "one hundred forty-four million, two hundred fourteen thousand, one hundred twenty-nine".
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