Base | Representation |
---|---|
bin | 10001010000110… |
… | …10111011100101 |
3 | 101002111022011222 |
4 | 20220122323211 |
5 | 244033020142 |
6 | 22211510125 |
7 | 3405616442 |
oct | 1050327345 |
9 | 332438158 |
10 | 144813797 |
11 | 7481a827 |
12 | 405b8345 |
13 | 2400444b |
14 | 153389c9 |
15 | caa7bd2 |
hex | 8a1aee5 |
144813797 has 2 divisors, whose sum is σ = 144813798. Its totient is φ = 144813796.
The previous prime is 144813787. The next prime is 144813821. The reversal of 144813797 is 797318441.
144813797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 134884996 + 9928801 = 11614^2 + 3151^2 .
It is a cyclic number.
It is not a de Polignac number, because 144813797 - 28 = 144813541 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144813707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72406898 + 72406899.
It is an arithmetic number, because the mean of its divisors is an integer number (72406899).
Almost surely, 2144813797 is an apocalyptic number.
It is an amenable number.
144813797 is a deficient number, since it is larger than the sum of its proper divisors (1).
144813797 is an equidigital number, since it uses as much as digits as its factorization.
144813797 is an evil number, because the sum of its binary digits is even.
The product of its digits is 169344, while the sum is 44.
The square root of 144813797 is about 12033.8604362856. The cubic root of 144813797 is about 525.1338095809.
The spelling of 144813797 in words is "one hundred forty-four million, eight hundred thirteen thousand, seven hundred ninety-seven".
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