Base | Representation |
---|---|
bin | 10001001101110… |
… | …00000101011101 |
3 | 101001201201210201 |
4 | 20212320011131 |
5 | 243432041200 |
6 | 22155103501 |
7 | 3402312163 |
oct | 1046700535 |
9 | 331651721 |
10 | 144408925 |
11 | 74573621 |
12 | 40441b91 |
13 | 23bc208b |
14 | 15271233 |
15 | ca27c6a |
hex | 89b815d |
144408925 has 6 divisors (see below), whose sum is σ = 179067098. Its totient is φ = 115527120.
The previous prime is 144408923. The next prime is 144408947. The reversal of 144408925 is 529804441.
It can be written as a sum of positive squares in 3 ways, for example, as 12916836 + 131492089 = 3594^2 + 11467^2 .
It is not a de Polignac number, because 144408925 - 21 = 144408923 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144408923) 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 5 ways as a sum of consecutive naturals, for example, 2888154 + ... + 2888203.
Almost surely, 2144408925 is an apocalyptic number.
It is an amenable number.
144408925 is a deficient number, since it is larger than the sum of its proper divisors (34658173).
144408925 is an equidigital number, since it uses as much as digits as its factorization.
144408925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5776367 (or 5776362 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 37.
The square root of 144408925 is about 12017.0264624823. The cubic root of 144408925 is about 524.6439611699.
The spelling of 144408925 in words is "one hundred forty-four million, four hundred eight thousand, nine hundred twenty-five".
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