Base | Representation |
---|---|
bin | 10001010000101… |
… | …00111001011111 |
3 | 101002110001021210 |
4 | 20220110321133 |
5 | 244031222322 |
6 | 22211155503 |
7 | 3405454422 |
oct | 1050247137 |
9 | 332401253 |
10 | 144789087 |
11 | 74803203 |
12 | 405a5b93 |
13 | 23cc6121 |
14 | 1532d9b9 |
15 | caa070c |
hex | 8a14e5f |
144789087 has 8 divisors (see below), whose sum is σ = 195042736. Its totient is φ = 95530752.
The previous prime is 144789079. The next prime is 144789089. The reversal of 144789087 is 780987441.
144789087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144789087 - 23 = 144789079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144789089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248488 + ... + 249069.
It is an arithmetic number, because the mean of its divisors is an integer number (24380342).
Almost surely, 2144789087 is an apocalyptic number.
144789087 is a deficient number, since it is larger than the sum of its proper divisors (50253649).
144789087 is an equidigital number, since it uses as much as digits as its factorization.
144789087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 497657.
The product of its (nonzero) digits is 451584, while the sum is 48.
The square root of 144789087 is about 12032.8337061558. The cubic root of 144789087 is about 525.1039395114.
The spelling of 144789087 in words is "one hundred forty-four million, seven hundred eighty-nine thousand, eighty-seven".
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