Base | Representation |
---|---|
bin | 11101011011110… |
… | …110111010010101 |
3 | 1021102020202222000 |
4 | 131123312322111 |
5 | 2002410421234 |
6 | 121000425513 |
7 | 15144405540 |
oct | 3533667225 |
9 | 1242222860 |
10 | 493842069 |
11 | 233840946 |
12 | 119478299 |
13 | 7b40a256 |
14 | 49831857 |
15 | 2d54d899 |
hex | 1d6f6e95 |
493842069 has 16 divisors (see below), whose sum is σ = 836135040. Its totient is φ = 282195360.
The previous prime is 493842067. The next prime is 493842077. The reversal of 493842069 is 960248394.
493842069 is a `hidden beast` number, since 493 + 84 + 20 + 69 = 666.
It is not a de Polignac number, because 493842069 - 21 = 493842067 is a prime.
It is a super-2 number, since 2×4938420692 = 487759978228401522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (493842067) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1306272 + ... + 1306649.
It is an arithmetic number, because the mean of its divisors is an integer number (52258440).
Almost surely, 2493842069 is an apocalyptic number.
It is an amenable number.
493842069 is a deficient number, since it is larger than the sum of its proper divisors (342292971).
493842069 is a wasteful number, since it uses less digits than its factorization.
493842069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2612937 (or 2612931 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 45.
The square root of 493842069 is about 22222.5576610794. The cubic root of 493842069 is about 790.4286884459.
The spelling of 493842069 in words is "four hundred ninety-three million, eight hundred forty-two thousand, sixty-nine".
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