Base | Representation |
---|---|
bin | 101010001010111111011 |
3 | 2121012120212 |
4 | 11101113323 |
5 | 323210013 |
6 | 45341335 |
7 | 14513546 |
oct | 5212773 |
9 | 2535525 |
10 | 1381883 |
11 | 864258 |
12 | 56784b |
13 | 394ca9 |
14 | 27d85d |
15 | 1c46a8 |
hex | 1515fb |
1381883 has 2 divisors, whose sum is σ = 1381884. Its totient is φ = 1381882.
The previous prime is 1381871. The next prime is 1381901. The reversal of 1381883 is 3881831.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1381883 - 26 = 1381819 is a prime.
It is not a weakly prime, because it can be changed into another prime (1381483) 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, 690941 + 690942.
It is an arithmetic number, because the mean of its divisors is an integer number (690942).
21381883 is an apocalyptic number.
1381883 is a deficient number, since it is larger than the sum of its proper divisors (1).
1381883 is an equidigital number, since it uses as much as digits as its factorization.
1381883 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4608, while the sum is 32.
The square root of 1381883 is about 1175.5351972612. The cubic root of 1381883 is about 111.3842431141.
The spelling of 1381883 in words is "one million, three hundred eighty-one thousand, eight hundred eighty-three".
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