Base | Representation |
---|---|
bin | 11100111101110… |
… | …111101000010010 |
3 | 1020212110101011211 |
4 | 130331313220102 |
5 | 1443402340230 |
6 | 120120130334 |
7 | 15020524216 |
oct | 3475675022 |
9 | 1225411154 |
10 | 485980690 |
11 | 22a361538 |
12 | 1169069aa |
13 | 798b6c50 |
14 | 48786946 |
15 | 2c9e942a |
hex | 1cf77a12 |
485980690 has 32 divisors (see below), whose sum is σ = 951407856. Its totient is φ = 177657600.
The previous prime is 485980669. The next prime is 485980721. The reversal of 485980690 is 96089584.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 257698809 + 228281881 = 16053^2 + 15109^2 .
It is a super-2 number, since 2×4859806902 = 472354462105752200, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5377 + ... + 31636.
Almost surely, 2485980690 is an apocalyptic number.
485980690 is a deficient number, since it is larger than the sum of its proper divisors (465427166).
485980690 is a wasteful number, since it uses less digits than its factorization.
485980690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37134.
The product of its (nonzero) digits is 622080, while the sum is 49.
The square root of 485980690 is about 22044.9697210044. The cubic root of 485980690 is about 786.2120052613.
The spelling of 485980690 in words is "four hundred eighty-five million, nine hundred eighty thousand, six hundred ninety".
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