Base | Representation |
---|---|
bin | 10001001100100… |
… | …11111110001101 |
3 | 101001110012220012 |
4 | 20212103332031 |
5 | 243412323010 |
6 | 22152003005 |
7 | 3401125010 |
oct | 1046237615 |
9 | 331405805 |
10 | 144261005 |
11 | 74482479 |
12 | 40390465 |
13 | 23b6c955 |
14 | 15233377 |
15 | c9e9005 |
hex | 8993f8d |
144261005 has 8 divisors (see below), whose sum is σ = 197843712. Its totient is φ = 98921808.
The previous prime is 144260981. The next prime is 144261017. The reversal of 144261005 is 500162441.
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 144261005 - 212 = 144256909 is a prime.
It is a super-2 number, since 2×1442610052 = 41622475127220050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060837 + ... + 2060906.
It is an arithmetic number, because the mean of its divisors is an integer number (24730464).
Almost surely, 2144261005 is an apocalyptic number.
It is an amenable number.
144261005 is a deficient number, since it is larger than the sum of its proper divisors (53582707).
144261005 is an equidigital number, since it uses as much as digits as its factorization.
144261005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4121755.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 144261005 is about 12010.8702848711. The cubic root of 144261005 is about 524.4647666887.
The spelling of 144261005 in words is "one hundred forty-four million, two hundred sixty-one thousand, five".
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