Base | Representation |
---|---|
bin | 11101011100001… |
… | …100011010001001 |
3 | 1021102102020202012 |
4 | 131130030122021 |
5 | 2002421230441 |
6 | 121002345305 |
7 | 15145223336 |
oct | 3534143211 |
9 | 1242366665 |
10 | 493930121 |
11 | 2338a1013 |
12 | 1194bb235 |
13 | 7b43b359 |
14 | 4985598d |
15 | 2d5699eb |
hex | 1d70c689 |
493930121 has 16 divisors (see below), whose sum is σ = 540144000. Its totient is φ = 449826048.
The previous prime is 493930109. The next prime is 493930127. The reversal of 493930121 is 121039394.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-493930121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (493930127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76580 + ... + 82778.
It is an arithmetic number, because the mean of its divisors is an integer number (33759000).
Almost surely, 2493930121 is an apocalyptic number.
It is an amenable number.
493930121 is a deficient number, since it is larger than the sum of its proper divisors (46213879).
493930121 is a wasteful number, since it uses less digits than its factorization.
493930121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6368.
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 493930121 is about 22224.5387128732. The cubic root of 493930121 is about 790.4756634441.
The spelling of 493930121 in words is "four hundred ninety-three million, nine hundred thirty thousand, one hundred twenty-one".
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