Base | Representation |
---|---|
bin | 10001001110011… |
… | …11011110110010 |
3 | 101001220121020221 |
4 | 20213033132302 |
5 | 243443123004 |
6 | 22201123254 |
7 | 3403161442 |
oct | 1047173662 |
9 | 331817227 |
10 | 144504754 |
11 | 74629619 |
12 | 4048952a |
13 | 23c26894 |
14 | 15298122 |
15 | ca46354 |
hex | 89cf7b2 |
144504754 has 4 divisors (see below), whose sum is σ = 216757134. Its totient is φ = 72252376.
The previous prime is 144504749. The next prime is 144504757. The reversal of 144504754 is 457405441.
144504754 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 457405441 = 2269 ⋅201589.
It can be written as a sum of positive squares in only one way, i.e., 107599129 + 36905625 = 10373^2 + 6075^2 .
It is not an unprimeable number, because it can be changed into a prime (144504757) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36126187 + ... + 36126190.
Almost surely, 2144504754 is an apocalyptic number.
144504754 is a deficient number, since it is larger than the sum of its proper divisors (72252380).
144504754 is an equidigital number, since it uses as much as digits as its factorization.
144504754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72252379.
The product of its (nonzero) digits is 44800, while the sum is 34.
The square root of 144504754 is about 12021.0130188766. The cubic root of 144504754 is about 524.7599858299.
The spelling of 144504754 in words is "one hundred forty-four million, five hundred four thousand, seven hundred fifty-four".
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