Base | Representation |
---|---|
bin | 101101110010111… |
… | …011011001100010 |
3 | 1222112201222001120 |
4 | 231302323121202 |
5 | 3033142401333 |
6 | 204123513110 |
7 | 25016441133 |
oct | 5562733142 |
9 | 1875658046 |
10 | 768325218 |
11 | 364777121 |
12 | 195388796 |
13 | c324280b |
14 | 74081c8a |
15 | 476bbdb3 |
hex | 2dcbb662 |
768325218 has 16 divisors (see below), whose sum is σ = 1548382176. Its totient is φ = 254153120.
The previous prime is 768325213. The next prime is 768325237. The reversal of 768325218 is 812523867.
It is a super-2 number, since 2×7683252182 = 1180647281229495048, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 768325218.
It is not an unprimeable number, because it can be changed into a prime (768325213) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 487971 + ... + 489542.
It is an arithmetic number, because the mean of its divisors is an integer number (96773886).
Almost surely, 2768325218 is an apocalyptic number.
768325218 is an abundant number, since it is smaller than the sum of its proper divisors (780056958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
768325218 is a wasteful number, since it uses less digits than its factorization.
768325218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 977649.
The product of its digits is 161280, while the sum is 42.
The square root of 768325218 is about 27718.6799469239. The cubic root of 768325218 is about 915.9006402718.
The spelling of 768325218 in words is "seven hundred sixty-eight million, three hundred twenty-five thousand, two hundred eighteen".
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