Base | Representation |
---|---|
bin | 110011011101… |
… | …1101010101001 |
3 | 1212202212211101 |
4 | 1212323222221 |
5 | 23401424311 |
6 | 2402201401 |
7 | 445231606 |
oct | 146735251 |
9 | 55685741 |
10 | 26983081 |
11 | 1425a874 |
12 | 9053261 |
13 | 5789a28 |
14 | 38256ad |
15 | 257eec1 |
hex | 19bbaa9 |
26983081 has 2 divisors, whose sum is σ = 26983082. Its totient is φ = 26983080.
The previous prime is 26983057. The next prime is 26983091. The reversal of 26983081 is 18038962.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19053225 + 7929856 = 4365^2 + 2816^2 .
It is a cyclic number.
It is not a de Polignac number, because 26983081 - 29 = 26982569 is a prime.
It is a super-2 number, since 2×269830812 = 1456173320505122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 26983081.
It is not a weakly prime, because it can be changed into another prime (26983091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13491540 + 13491541.
It is an arithmetic number, because the mean of its divisors is an integer number (13491541).
Almost surely, 226983081 is an apocalyptic number.
It is an amenable number.
26983081 is a deficient number, since it is larger than the sum of its proper divisors (1).
26983081 is an equidigital number, since it uses as much as digits as its factorization.
26983081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 26983081 is about 5194.5241360494. The cubic root of 26983081 is about 299.9373239437.
The spelling of 26983081 in words is "twenty-six million, nine hundred eighty-three thousand, eighty-one".
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