Base | Representation |
---|---|
bin | 10001001100111… |
… | …10000000101000 |
3 | 101001112022021222 |
4 | 20212132000220 |
5 | 243420131440 |
6 | 22152521212 |
7 | 3401355614 |
oct | 1046360050 |
9 | 331468258 |
10 | 144302120 |
11 | 74500356 |
12 | 403b0208 |
13 | 23b85591 |
14 | 15244344 |
15 | ca062b5 |
hex | 899e028 |
144302120 has 32 divisors (see below), whose sum is σ = 343780200. Its totient is φ = 54325248.
The previous prime is 144302113. The next prime is 144302167. The reversal of 144302120 is 21203441.
It can be written as a sum of positive squares in 4 ways, for example, as 143376676 + 925444 = 11974^2 + 962^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
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, 105425 + ... + 106784.
Almost surely, 2144302120 is an apocalyptic number.
144302120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144302120 is an abundant number, since it is smaller than the sum of its proper divisors (199478080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144302120 is a wasteful number, since it uses less digits than its factorization.
144302120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212237 (or 212233 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 144302120 is about 12012.5817374951. The cubic root of 144302120 is about 524.5145868524.
Adding to 144302120 its reverse (21203441), we get a palindrome (165505561).
The spelling of 144302120 in words is "one hundred forty-four million, three hundred two thousand, one hundred twenty".
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