Base | Representation |
---|---|
bin | 10000000011000… |
… | …100001001000001 |
3 | 200202121202021020 |
4 | 100003010021001 |
5 | 1022411120344 |
6 | 42414420053 |
7 | 6446330625 |
oct | 2003041101 |
9 | 622552236 |
10 | 269238849 |
11 | 128a84150 |
12 | 76201629 |
13 | 43a1a539 |
14 | 27a87185 |
15 | 18984719 |
hex | 100c4241 |
269238849 has 16 divisors (see below), whose sum is σ = 391988160. Its totient is φ = 163021760.
The previous prime is 269238847. The next prime is 269238859. The reversal of 269238849 is 948832962.
It is not a de Polignac number, because 269238849 - 21 = 269238847 is a prime.
It is not an unprimeable number, because it can be changed into a prime (269238847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38947 + ... + 45335.
It is an arithmetic number, because the mean of its divisors is an integer number (24499260).
Almost surely, 2269238849 is an apocalyptic number.
It is an amenable number.
269238849 is a deficient number, since it is larger than the sum of its proper divisors (122749311).
269238849 is a wasteful number, since it uses less digits than its factorization.
269238849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7680.
The product of its digits is 1492992, while the sum is 51.
The square root of 269238849 is about 16408.4992915257. The cubic root of 269238849 is about 645.7224834941.
The spelling of 269238849 in words is "two hundred sixty-nine million, two hundred thirty-eight thousand, eight hundred forty-nine".
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