Base | Representation |
---|---|
bin | 10001001101101… |
… | …00001100101001 |
3 | 101001200220221221 |
4 | 20212310030221 |
5 | 243431034001 |
6 | 22154502041 |
7 | 3402214564 |
oct | 1046641451 |
9 | 331626857 |
10 | 144393001 |
11 | 74562665 |
12 | 40434921 |
13 | 23bb7a5c |
14 | 152694db |
15 | ca231a1 |
hex | 89b4329 |
144393001 has 8 divisors (see below), whose sum is σ = 151905600. Its totient is φ = 137049360.
The previous prime is 144392993. The next prime is 144393023. The reversal of 144393001 is 100393441.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144393001 - 23 = 144392993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144393401) 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, 40485 + ... + 43906.
It is an arithmetic number, because the mean of its divisors is an integer number (18988200).
Almost surely, 2144393001 is an apocalyptic number.
It is an amenable number.
144393001 is a deficient number, since it is larger than the sum of its proper divisors (7512599).
144393001 is an equidigital number, since it uses as much as digits as its factorization.
144393001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84479.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 144393001 is about 12016.3638843038. The cubic root of 144393001 is about 524.6246762641.
The spelling of 144393001 in words is "one hundred forty-four million, three hundred ninety-three thousand, one".
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