Base | Representation |
---|---|
bin | 11100111100011… |
… | …11011111101010 |
3 | 121220212222001220 |
4 | 32132033133222 |
5 | 444124340220 |
6 | 40032122510 |
7 | 6005561256 |
oct | 1636173752 |
9 | 556788056 |
10 | 242808810 |
11 | 115071942 |
12 | 69396436 |
13 | 3b3c546a |
14 | 24367266 |
15 | 164b3540 |
hex | e78f7ea |
242808810 has 16 divisors (see below), whose sum is σ = 582741216. Its totient is φ = 64749008.
The previous prime is 242808757. The next prime is 242808823. The reversal of 242808810 is 18808242.
It is a super-2 number, since 2×2428088102 = 117912236427232200, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4046784 + ... + 4046843.
It is an arithmetic number, because the mean of its divisors is an integer number (36421326).
Almost surely, 2242808810 is an apocalyptic number.
242808810 is an abundant number, since it is smaller than the sum of its proper divisors (339932406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242808810 is a wasteful number, since it uses less digits than its factorization.
242808810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8093637.
The product of its (nonzero) digits is 8192, while the sum is 33.
The square root of 242808810 is about 15582.3236393036. The cubic root of 242808810 is about 623.8614450343.
The spelling of 242808810 in words is "two hundred forty-two million, eight hundred eight thousand, eight hundred ten".
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