Base | Representation |
---|---|
bin | 1000101101111101011001 |
3 | 11022002222111 |
4 | 20231331121 |
5 | 1041113101 |
6 | 120552321 |
7 | 25265656 |
oct | 10557531 |
9 | 4262874 |
10 | 2285401 |
11 | 1321068 |
12 | 9226a1 |
13 | 620311 |
14 | 436c2d |
15 | 302251 |
hex | 22df59 |
2285401 has 2 divisors, whose sum is σ = 2285402. Its totient is φ = 2285400.
The previous prime is 2285399. The next prime is 2285443. The reversal of 2285401 is 1045822.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2253001 + 32400 = 1501^2 + 180^2 .
It is a cyclic number.
It is not a de Polignac number, because 2285401 - 21 = 2285399 is a prime.
Together with 2285399, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2280401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142700 + 1142701.
It is an arithmetic number, because the mean of its divisors is an integer number (1142701).
22285401 is an apocalyptic number.
It is an amenable number.
2285401 is a deficient number, since it is larger than the sum of its proper divisors (1).
2285401 is an equidigital number, since it uses as much as digits as its factorization.
2285401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 2285401 is about 1511.7542789753. The cubic root of 2285401 is about 131.7207326607.
The spelling of 2285401 in words is "two million, two hundred eighty-five thousand, four hundred one".
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