Base | Representation |
---|---|
bin | 10001001100010… |
… | …10001110110110 |
3 | 101001101012011121 |
4 | 20212022032312 |
5 | 243410033420 |
6 | 22151054154 |
7 | 3400600465 |
oct | 1046121666 |
9 | 331335147 |
10 | 144221110 |
11 | 74455500 |
12 | 4037135a |
13 | 23b57747 |
14 | 152229dc |
15 | c9dc2aa |
hex | 898a3b6 |
144221110 has 24 divisors (see below), whose sum is σ = 285345648. Its totient is φ = 52443600.
The previous prime is 144221107. The next prime is 144221111. The reversal of 144221110 is 11122441.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144221111) 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 11 ways as a sum of consecutive naturals, for example, 58386 + ... + 60805.
It is an arithmetic number, because the mean of its divisors is an integer number (11889402).
Almost surely, 2144221110 is an apocalyptic number.
144221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144221110 is a deficient number, since it is larger than the sum of its proper divisors (141124538).
144221110 is a wasteful number, since it uses less digits than its factorization.
144221110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119220 (or 119209 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 144221110 is about 12009.2093828028. The cubic root of 144221110 is about 524.4164157825.
Adding to 144221110 its reverse (11122441), we get a palindrome (155343551).
The spelling of 144221110 in words is "one hundred forty-four million, two hundred twenty-one thousand, one hundred ten".
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