Base | Representation |
---|---|
bin | 11111111110011… |
… | …01010111111001 |
3 | 200200201101202200 |
4 | 33333031113321 |
5 | 1022131244324 |
6 | 42341020413 |
7 | 6434621043 |
oct | 1777152771 |
9 | 620641680 |
10 | 268228089 |
11 | 128453808 |
12 | 759b4709 |
13 | 4375545c |
14 | 278a2a93 |
15 | 18834ec9 |
hex | ffcd5f9 |
268228089 has 24 divisors (see below), whose sum is σ = 400767744. Its totient is φ = 172692000.
The previous prime is 268228039. The next prime is 268228123. The reversal of 268228089 is 980822862.
It is not a de Polignac number, because 268228089 - 27 = 268227961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (268228039) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228474 + ... + 229644.
It is an arithmetic number, because the mean of its divisors is an integer number (16698656).
Almost surely, 2268228089 is an apocalyptic number.
It is an amenable number.
268228089 is a deficient number, since it is larger than the sum of its proper divisors (132539655).
268228089 is a wasteful number, since it uses less digits than its factorization.
268228089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2029 (or 2026 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 268228089 is about 16377.6704387407. The cubic root of 268228089 is about 644.9134262747.
The spelling of 268228089 in words is "two hundred sixty-eight million, two hundred twenty-eight thousand, eighty-nine".
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