Base | Representation |
---|---|
bin | 10001001100110… |
… | …10000001100001 |
3 | 101001111110220021 |
4 | 20212122001201 |
5 | 243414121133 |
6 | 22152313441 |
7 | 3401260201 |
oct | 1046320141 |
9 | 331443807 |
10 | 144285793 |
11 | 7449a063 |
12 | 403a2881 |
13 | 23b7b012 |
14 | 1523c401 |
15 | ca0152d |
hex | 899a061 |
144285793 has 8 divisors (see below), whose sum is σ = 145474560. Its totient is φ = 143101920.
The previous prime is 144285787. The next prime is 144285839. The reversal of 144285793 is 397582441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144285793 - 25 = 144285761 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144285733) 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, 77196 + ... + 79042.
It is an arithmetic number, because the mean of its divisors is an integer number (18184320).
Almost surely, 2144285793 is an apocalyptic number.
It is an amenable number.
144285793 is a deficient number, since it is larger than the sum of its proper divisors (1188767).
144285793 is a wasteful number, since it uses less digits than its factorization.
144285793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2447.
The product of its digits is 241920, while the sum is 43.
The square root of 144285793 is about 12011.9021391285. The cubic root of 144285793 is about 524.4948041154.
The spelling of 144285793 in words is "one hundred forty-four million, two hundred eighty-five thousand, seven hundred ninety-three".
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