Base | Representation |
---|---|
bin | 10001001011010… |
… | …01011101011111 |
3 | 101001010101001002 |
4 | 20211221131133 |
5 | 243341240004 |
6 | 22144140515 |
7 | 3366501236 |
oct | 1045513537 |
9 | 331111032 |
10 | 144086879 |
11 | 74373672 |
12 | 4030773b |
13 | 23b0b611 |
14 | 151c9b1d |
15 | c9b261e |
hex | 896975f |
144086879 has 2 divisors, whose sum is σ = 144086880. Its totient is φ = 144086878.
The previous prime is 144086869. The next prime is 144086893. The reversal of 144086879 is 978680441.
It is a weak prime.
It is an emirp because it is prime and its reverse (978680441) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 144086879 - 24 = 144086863 is a prime.
It is a super-2 number, since 2×1440868792 = 41522057399921282, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144086809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72043439 + 72043440.
It is an arithmetic number, because the mean of its divisors is an integer number (72043440).
Almost surely, 2144086879 is an apocalyptic number.
144086879 is a deficient number, since it is larger than the sum of its proper divisors (1).
144086879 is an equidigital number, since it uses as much as digits as its factorization.
144086879 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 387072, while the sum is 47.
The square root of 144086879 is about 12003.6194124939. The cubic root of 144086879 is about 524.2536684793.
The spelling of 144086879 in words is "one hundred forty-four million, eighty-six thousand, eight hundred seventy-nine".
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