Base | Representation |
---|---|
bin | 10000000010001… |
… | …110110111100001 |
3 | 200202012122221110 |
4 | 100002032313201 |
5 | 1022332130031 |
6 | 42410013533 |
7 | 6444431511 |
oct | 2002166741 |
9 | 622178843 |
10 | 269020641 |
11 | 12894520a |
12 | 761172a9 |
13 | 43972116 |
14 | 27a2b841 |
15 | 1893ec46 |
hex | 1008ede1 |
269020641 has 4 divisors (see below), whose sum is σ = 358694192. Its totient is φ = 179347092.
The previous prime is 269020613. The next prime is 269020669. The reversal of 269020641 is 146020962.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (269020613) and next prime (269020669).
It is not a de Polignac number, because 269020641 - 210 = 269019617 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 269020599 and 269020608.
It is not an unprimeable number, because it can be changed into a prime (269040641) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44836771 + ... + 44836776.
It is an arithmetic number, because the mean of its divisors is an integer number (89673548).
Almost surely, 2269020641 is an apocalyptic number.
It is an amenable number.
269020641 is a deficient number, since it is larger than the sum of its proper divisors (89673551).
269020641 is an equidigital number, since it uses as much as digits as its factorization.
269020641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89673550.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 269020641 is about 16401.8487067769. The cubic root of 269020641 is about 645.5479917191.
The spelling of 269020641 in words is "two hundred sixty-nine million, twenty thousand, six hundred forty-one".
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