Base | Representation |
---|---|
bin | 10000000011011… |
… | …101000011010001 |
3 | 200202210221020012 |
4 | 100003131003101 |
5 | 1022422402011 |
6 | 42420524305 |
7 | 6450234245 |
oct | 2003350321 |
9 | 622727205 |
10 | 269340881 |
11 | 129043877 |
12 | 76250695 |
13 | 43a54b04 |
14 | 27ab2425 |
15 | 189a4a8b |
hex | 100dd0d1 |
269340881 has 2 divisors, whose sum is σ = 269340882. Its totient is φ = 269340880.
The previous prime is 269340857. The next prime is 269340887. The reversal of 269340881 is 188043962.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 216560656 + 52780225 = 14716^2 + 7265^2 .
It is a cyclic number.
It is not a de Polignac number, because 269340881 - 26 = 269340817 is a prime.
It is a super-2 number, since 2×2693408812 = 145089020355712322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (269340887) 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, 134670440 + 134670441.
It is an arithmetic number, because the mean of its divisors is an integer number (134670441).
Almost surely, 2269340881 is an apocalyptic number.
It is an amenable number.
269340881 is a deficient number, since it is larger than the sum of its proper divisors (1).
269340881 is an equidigital number, since it uses as much as digits as its factorization.
269340881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 82944, while the sum is 41.
The square root of 269340881 is about 16411.6081174271. The cubic root of 269340881 is about 645.8040418525.
The spelling of 269340881 in words is "two hundred sixty-nine million, three hundred forty thousand, eight hundred eighty-one".
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