Base | Representation |
---|---|
bin | 10001001100001… |
… | …11100001101001 |
3 | 101001100121222001 |
4 | 20212013201221 |
5 | 243404210100 |
6 | 22150531001 |
7 | 3400523251 |
oct | 1046074151 |
9 | 331317861 |
10 | 144210025 |
11 | 74448143 |
12 | 40366a61 |
13 | 23b5269b |
14 | 1521c961 |
15 | c9d8d6a |
hex | 8987869 |
144210025 has 6 divisors (see below), whose sum is σ = 178820462. Its totient is φ = 115368000.
The previous prime is 144209987. The next prime is 144210029. The reversal of 144210025 is 520012441.
It can be written as a sum of positive squares in 3 ways, for example, as 48483369 + 95726656 = 6963^2 + 9784^2 .
It is not a de Polignac number, because 144210025 - 225 = 110655593 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144209984 and 144210011.
It is not an unprimeable number, because it can be changed into a prime (144210029) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2884176 + ... + 2884225.
Almost surely, 2144210025 is an apocalyptic number.
It is an amenable number.
144210025 is a deficient number, since it is larger than the sum of its proper divisors (34610437).
144210025 is an equidigital number, since it uses as much as digits as its factorization.
144210025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5768411 (or 5768406 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 144210025 is about 12008.7478531277. The cubic root of 144210025 is about 524.4029796891.
Adding to 144210025 its reverse (520012441), we get a palindrome (664222466).
The spelling of 144210025 in words is "one hundred forty-four million, two hundred ten thousand, twenty-five".
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