Base | Representation |
---|---|
bin | 11000010000011… |
… | …01111111110111 |
3 | 112011212220120021 |
4 | 30020031333313 |
5 | 404042343304 |
6 | 32105150011 |
7 | 5020363204 |
oct | 1410157767 |
9 | 464786507 |
10 | 203481079 |
11 | a495038a |
12 | 5818b307 |
13 | 33205909 |
14 | 1d04acab |
15 | 12ce5a54 |
hex | c20dff7 |
203481079 has 2 divisors, whose sum is σ = 203481080. Its totient is φ = 203481078.
The previous prime is 203481067. The next prime is 203481097. The reversal of 203481079 is 970184302.
Together with next prime (203481097) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 203481079 - 27 = 203480951 is a prime.
It is a super-2 number, since 2×2034810792 = 82809099022008482, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (203481049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101740539 + 101740540.
It is an arithmetic number, because the mean of its divisors is an integer number (101740540).
Almost surely, 2203481079 is an apocalyptic number.
203481079 is a deficient number, since it is larger than the sum of its proper divisors (1).
203481079 is an equidigital number, since it uses as much as digits as its factorization.
203481079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 203481079 is about 14264.6794215643. The cubic root of 203481079 is about 588.1769630644.
The spelling of 203481079 in words is "two hundred three million, four hundred eighty-one thousand, seventy-nine".
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