Base | Representation |
---|---|
bin | 10001010001011… |
… | …00110101100101 |
3 | 101002122000210102 |
4 | 20220230311211 |
5 | 244042342031 |
6 | 22213233445 |
7 | 3406343330 |
oct | 1050546545 |
9 | 332560712 |
10 | 144887141 |
11 | 7486a943 |
12 | 40632885 |
13 | 2402b949 |
14 | 15357617 |
15 | cabe7cb |
hex | 8a2cd65 |
144887141 has 16 divisors (see below), whose sum is σ = 184556160. Its totient is φ = 110730240.
The previous prime is 144887129. The next prime is 144887177. The reversal of 144887141 is 141788441.
It is a cyclic number.
It is not a de Polignac number, because 144887141 - 222 = 140692837 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144887095 and 144887104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144887101) 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 15 ways as a sum of consecutive naturals, for example, 29780 + ... + 34301.
It is an arithmetic number, because the mean of its divisors is an integer number (11534760).
Almost surely, 2144887141 is an apocalyptic number.
It is an amenable number.
144887141 is a deficient number, since it is larger than the sum of its proper divisors (39669019).
144887141 is a wasteful number, since it uses less digits than its factorization.
144887141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64124.
The product of its digits is 28672, while the sum is 38.
The square root of 144887141 is about 12036.9074516671. The cubic root of 144887141 is about 525.2224496471. Note that the first 3 decimals are identical.
The spelling of 144887141 in words is "one hundred forty-four million, eight hundred eighty-seven thousand, one hundred forty-one".
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