Base | Representation |
---|---|
bin | 10001010000000… |
… | …00001100010011 |
3 | 101002021201221121 |
4 | 20220000030103 |
5 | 244021014100 |
6 | 22205303111 |
7 | 3404652232 |
oct | 1050001423 |
9 | 332251847 |
10 | 144704275 |
11 | 74755511 |
12 | 40564a97 |
13 | 23c96641 |
14 | 1530ab19 |
15 | ca8551a |
hex | 8a00313 |
144704275 has 12 divisors (see below), whose sum is σ = 181597752. Its totient is φ = 114367040.
The previous prime is 144704269. The next prime is 144704279. The reversal of 144704275 is 572407441.
It is a happy number.
It is not a de Polignac number, because 144704275 - 23 = 144704267 is a prime.
It is a super-3 number, since 3×1447042753 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 144704275.
It is not an unprimeable number, because it can be changed into a prime (144704279) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32794 + ... + 36943.
It is an arithmetic number, because the mean of its divisors is an integer number (15133146).
Almost surely, 2144704275 is an apocalyptic number.
144704275 is a deficient number, since it is larger than the sum of its proper divisors (36893477).
144704275 is an equidigital number, since it uses as much as digits as its factorization.
144704275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69830 (or 69825 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 34.
The square root of 144704275 is about 12029.3089992734. The cubic root of 144704275 is about 525.0013907748.
The spelling of 144704275 in words is "one hundred forty-four million, seven hundred four thousand, two hundred seventy-five".
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