Base | Representation |
---|---|
bin | 1000001011100011011111 |
3 | 11000221200011 |
4 | 20023203133 |
5 | 1022110404 |
6 | 113544051 |
7 | 24141061 |
oct | 10134337 |
9 | 4027604 |
10 | 2144479 |
11 | 12351a7 |
12 | 875027 |
13 | 5a112c |
14 | 3db731 |
15 | 2c5604 |
hex | 20b8df |
2144479 has 2 divisors, whose sum is σ = 2144480. Its totient is φ = 2144478.
The previous prime is 2144477. The next prime is 2144489. The reversal of 2144479 is 9744412.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2144479 - 21 = 2144477 is a prime.
Together with 2144477, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2144479.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2144477) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072239 + 1072240.
It is an arithmetic number, because the mean of its divisors is an integer number (1072240).
22144479 is an apocalyptic number.
2144479 is a deficient number, since it is larger than the sum of its proper divisors (1).
2144479 is an equidigital number, since it uses as much as digits as its factorization.
2144479 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8064, while the sum is 31.
The square root of 2144479 is about 1464.4039743186. The cubic root of 2144479 is about 128.9557166271.
The spelling of 2144479 in words is "two million, one hundred forty-four thousand, four hundred seventy-nine".
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