Base | Representation |
---|---|
bin | 10001001011011… |
… | …11001101010101 |
3 | 101001011120100000 |
4 | 20211233031111 |
5 | 243343013141 |
6 | 22144441513 |
7 | 3366630000 |
oct | 1045571525 |
9 | 331146300 |
10 | 144110421 |
11 | 7438a324 |
12 | 40319299 |
13 | 23b19250 |
14 | 151d4537 |
15 | c9b95b6 |
hex | 896f355 |
144110421 has 120 divisors (see below), whose sum is σ = 285477920. Its totient is φ = 72013536.
The previous prime is 144110401. The next prime is 144110467. The reversal of 144110421 is 124011441.
It is not a de Polignac number, because 144110421 - 25 = 144110389 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 144110394 and 144110403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144110401) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7584750 + ... + 7584768.
Almost surely, 2144110421 is an apocalyptic number.
It is an amenable number.
144110421 is a deficient number, since it is larger than the sum of its proper divisors (141367499).
144110421 is an frugal number, since it uses more digits than its factorization.
144110421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75 (or 42 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 144110421 is about 12004.5999933359. The cubic root of 144110421 is about 524.2822190959.
Adding to 144110421 its reverse (124011441), we get a palindrome (268121862).
The spelling of 144110421 in words is "one hundred forty-four million, one hundred ten thousand, four hundred twenty-one".
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