Base | Representation |
---|---|
bin | 10001001010101… |
… | …10000100010001 |
3 | 101000222100001221 |
4 | 20211112010101 |
5 | 243331214231 |
6 | 22142325041 |
7 | 3366020524 |
oct | 1045260421 |
9 | 330870057 |
10 | 144007441 |
11 | 74319a16 |
12 | 40289781 |
13 | 23ab1406 |
14 | 151a8bbb |
15 | c998d11 |
hex | 8956111 |
144007441 has 16 divisors (see below), whose sum is σ = 157715200. Its totient is φ = 131010048.
The previous prime is 144007433. The next prime is 144007447. The reversal of 144007441 is 144700441.
It is a cyclic number.
It is not a de Polignac number, because 144007441 - 23 = 144007433 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144007447) 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, 54241 + ... + 56833.
It is an arithmetic number, because the mean of its divisors is an integer number (9857200).
Almost surely, 2144007441 is an apocalyptic number.
It is an amenable number.
144007441 is a deficient number, since it is larger than the sum of its proper divisors (13707759).
144007441 is a wasteful number, since it uses less digits than its factorization.
144007441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2728.
The product of its (nonzero) digits is 1792, while the sum is 25.
The square root of 144007441 is about 12000.3100376615. The cubic root of 144007441 is about 524.1573068977.
Adding to 144007441 its reverse (144700441), we get a palindrome (288707882).
The spelling of 144007441 in words is "one hundred forty-four million, seven thousand, four hundred forty-one".
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