Base | Representation |
---|---|
bin | 10001001110000… |
… | …01101101100101 |
3 | 101001210201220011 |
4 | 20213001231211 |
5 | 243434321412 |
6 | 22200010221 |
7 | 3402535144 |
oct | 1047015545 |
9 | 331721804 |
10 | 144448357 |
11 | 745a0209 |
12 | 40460971 |
13 | 23c07001 |
14 | 1528175b |
15 | ca347a7 |
hex | 89c1b65 |
144448357 has 8 divisors (see below), whose sum is σ = 145297152. Its totient is φ = 143602800.
The previous prime is 144448327. The next prime is 144448361. The reversal of 144448357 is 753844441.
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 144448357 - 227 = 10230629 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 (144448327) 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 7 ways as a sum of consecutive naturals, for example, 198328 + ... + 199054.
It is an arithmetic number, because the mean of its divisors is an integer number (18162144).
Almost surely, 2144448357 is an apocalyptic number.
It is an amenable number.
144448357 is a deficient number, since it is larger than the sum of its proper divisors (848795).
144448357 is an equidigital number, since it uses as much as digits as its factorization.
144448357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1619.
The product of its digits is 215040, while the sum is 40.
The square root of 144448357 is about 12018.6670225945. The cubic root of 144448357 is about 524.6917095529.
It can be divided in two parts, 14444 and 8357, that added together give a square (22801 = 1512).
The spelling of 144448357 in words is "one hundred forty-four million, four hundred forty-eight thousand, three hundred fifty-seven".
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