Base | Representation |
---|---|
bin | 11111111100110… |
… | …10110111111010 |
3 | 200200022220000200 |
4 | 33332122313322 |
5 | 1022103134432 |
6 | 42332343030 |
7 | 6433100016 |
oct | 1776326772 |
9 | 620286020 |
10 | 268021242 |
11 | 128322365 |
12 | 75914a76 |
13 | 436b2268 |
14 | 2784b546 |
15 | 187e3a7c |
hex | ff9adfa |
268021242 has 24 divisors (see below), whose sum is σ = 581402016. Its totient is φ = 89234376.
The previous prime is 268021241. The next prime is 268021253. The reversal of 268021242 is 242120862.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (268021241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7573 + ... + 24359.
It is an arithmetic number, because the mean of its divisors is an integer number (24225084).
Almost surely, 2268021242 is an apocalyptic number.
268021242 is an abundant number, since it is smaller than the sum of its proper divisors (313380774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268021242 is a wasteful number, since it uses less digits than its factorization.
268021242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17682 (or 17679 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 268021242 is about 16371.3543117239. The cubic root of 268021242 is about 644.7476063150.
The spelling of 268021242 in words is "two hundred sixty-eight million, twenty-one thousand, two hundred forty-two".
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