Base | Representation |
---|---|
bin | 111010011010100010011 |
3 | 10121020200202 |
4 | 13103110103 |
5 | 442223011 |
6 | 105005415 |
7 | 22161362 |
oct | 7232423 |
9 | 3536622 |
10 | 1914131 |
11 | 109812a |
12 | 78386b |
13 | 52032b |
14 | 37b7d9 |
15 | 27c23b |
hex | 1d3513 |
1914131 has 2 divisors, whose sum is σ = 1914132. Its totient is φ = 1914130.
The previous prime is 1914127. The next prime is 1914139. The reversal of 1914131 is 1314191.
It is a weak prime.
It is an emirp because it is prime and its reverse (1314191) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1914131 - 22 = 1914127 is a prime.
It is a super-2 number, since 2×19141312 = 7327794970322, which contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (1914139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957065 + 957066.
It is an arithmetic number, because the mean of its divisors is an integer number (957066).
21914131 is an apocalyptic number.
1914131 is a deficient number, since it is larger than the sum of its proper divisors (1).
1914131 is an equidigital number, since it uses as much as digits as its factorization.
1914131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 108, while the sum is 20.
The square root of 1914131 is about 1383.5212322187. The cubic root of 1914131 is about 124.1625296781.
The spelling of 1914131 in words is "one million, nine hundred fourteen thousand, one hundred thirty-one".
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