Base | Representation |
---|---|
bin | 10001001101101… |
… | …01111001000101 |
3 | 101001201021110222 |
4 | 20212311321011 |
5 | 243431244231 |
6 | 22154554125 |
7 | 3402244040 |
oct | 1046657105 |
9 | 331637428 |
10 | 144399941 |
11 | 745678a4 |
12 | 40438945 |
13 | 23bbac6a |
14 | 1526bc57 |
15 | ca2527b |
hex | 89b5e45 |
144399941 has 16 divisors (see below), whose sum is σ = 168683520. Its totient is φ = 121057200.
The previous prime is 144399881. The next prime is 144399949. The reversal of 144399941 is 149993441.
It is a happy number.
144399941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 144399941 - 214 = 144383557 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144399892 and 144399901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144399949) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69800 + ... + 71838.
It is an arithmetic number, because the mean of its divisors is an integer number (10542720).
Almost surely, 2144399941 is an apocalyptic number.
It is an amenable number.
144399941 is a deficient number, since it is larger than the sum of its proper divisors (24283579).
144399941 is a wasteful number, since it uses less digits than its factorization.
144399941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2264.
The product of its digits is 139968, while the sum is 44.
The square root of 144399941 is about 12016.6526537135. The cubic root of 144399941 is about 524.6330811889.
The spelling of 144399941 in words is "one hundred forty-four million, three hundred ninety-nine thousand, nine hundred forty-one".
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