Base | Representation |
---|---|
bin | 10000000010001… |
… | …011110111111101 |
3 | 200202012001010101 |
4 | 100002023313331 |
5 | 1022331232011 |
6 | 42405441101 |
7 | 6444350665 |
oct | 2002136775 |
9 | 622161111 |
10 | 269008381 |
11 | 128936a84 |
12 | 76110191 |
13 | 43969675 |
14 | 27a271a5 |
15 | 1893b2c1 |
hex | 1008bdfd |
269008381 has 2 divisors, whose sum is σ = 269008382. Its totient is φ = 269008380.
The previous prime is 269008367. The next prime is 269008423. The reversal of 269008381 is 183800962.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 265364100 + 3644281 = 16290^2 + 1909^2 .
It is a cyclic number.
It is not a de Polignac number, because 269008381 - 217 = 268877309 is a prime.
It is a super-2 number, since 2×2690083812 = 144731018096482322, 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 269008381.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (269008781) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134504190 + 134504191.
It is an arithmetic number, because the mean of its divisors is an integer number (134504191).
Almost surely, 2269008381 is an apocalyptic number.
It is an amenable number.
269008381 is a deficient number, since it is larger than the sum of its proper divisors (1).
269008381 is an equidigital number, since it uses as much as digits as its factorization.
269008381 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 269008381 is about 16401.4749641610. The cubic root of 269008381 is about 645.5381851127.
The spelling of 269008381 in words is "two hundred sixty-nine million, eight thousand, three hundred eighty-one".
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