Base | Representation |
---|---|
bin | 10001001101110… |
… | …11010101000010 |
3 | 101001202102000202 |
4 | 20212323111002 |
5 | 243433002320 |
6 | 22155245202 |
7 | 3402366002 |
oct | 1046732502 |
9 | 331672022 |
10 | 144422210 |
11 | 745825a9 |
12 | 40449802 |
13 | 23bc813a |
14 | 15276002 |
15 | ca2bb75 |
hex | 89bb542 |
144422210 has 8 divisors (see below), whose sum is σ = 259959996. Its totient is φ = 57768880.
The previous prime is 144422209. The next prime is 144422219. The reversal of 144422210 is 12224441.
It can be written as a sum of positive squares in 2 ways, for example, as 143592289 + 829921 = 11983^2 + 911^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (144422219) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 7221101 + ... + 7221120.
Almost surely, 2144422210 is an apocalyptic number.
144422210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144422210 is a deficient number, since it is larger than the sum of its proper divisors (115537786).
144422210 is a wasteful number, since it uses less digits than its factorization.
144422210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14442228.
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 144422210 is about 12017.5792071448. The cubic root of 144422210 is about 524.6600490059.
Adding to 144422210 its reverse (12224441), we get a palindrome (156646651).
The spelling of 144422210 in words is "one hundred forty-four million, four hundred twenty-two thousand, two hundred ten".
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