Base | Representation |
---|---|
bin | 101011111111001100101 |
3 | 2201020012111 |
4 | 11133321211 |
5 | 332111011 |
6 | 50521021 |
7 | 15152164 |
oct | 5377145 |
9 | 2636174 |
10 | 1441381 |
11 | 8a4a27 |
12 | 596171 |
13 | 3b60b6 |
14 | 2973db |
15 | 1d7121 |
hex | 15fe65 |
1441381 has 2 divisors, whose sum is σ = 1441382. Its totient is φ = 1441380.
The previous prime is 1441373. The next prime is 1441411. The reversal of 1441381 is 1831441.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1416100 + 25281 = 1190^2 + 159^2 .
It is an emirp because it is prime and its reverse (1831441) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1441381 - 23 = 1441373 is a prime.
It is a super-2 number, since 2×14413812 = 4155158374322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1441301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720690 + 720691.
It is an arithmetic number, because the mean of its divisors is an integer number (720691).
21441381 is an apocalyptic number.
It is an amenable number.
1441381 is a deficient number, since it is larger than the sum of its proper divisors (1).
1441381 is an equidigital number, since it uses as much as digits as its factorization.
1441381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 384, while the sum is 22.
The square root of 1441381 is about 1200.5752787726. The cubic root of 1441381 is about 112.9604111195.
The spelling of 1441381 in words is "one million, four hundred forty-one thousand, three hundred eighty-one".
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