Base | Representation |
---|---|
bin | 1000001001000… |
… | …10100000000011 |
3 | 11202111221021112 |
4 | 10010202200003 |
5 | 114441030010 |
6 | 10435513535 |
7 | 1456346510 |
oct | 404424003 |
9 | 152457245 |
10 | 68298755 |
11 | 35609958 |
12 | 1aa588ab |
13 | 111c4385 |
14 | 90dc307 |
15 | 5ee1a05 |
hex | 4122803 |
68298755 has 16 divisors (see below), whose sum is σ = 95662080. Its totient is φ = 45835872.
The previous prime is 68298751. The next prime is 68298757. The reversal of 68298755 is 55789286.
It is a cyclic number.
It is not a de Polignac number, because 68298755 - 22 = 68298751 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68298751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19115 + ... + 22404.
It is an arithmetic number, because the mean of its divisors is an integer number (5978880).
Almost surely, 268298755 is an apocalyptic number.
68298755 is a deficient number, since it is larger than the sum of its proper divisors (27363325).
68298755 is a wasteful number, since it uses less digits than its factorization.
68298755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41578.
The product of its digits is 1209600, while the sum is 50.
The square root of 68298755 is about 8264.3060809726. The cubic root of 68298755 is about 408.7623893098.
The spelling of 68298755 in words is "sixty-eight million, two hundred ninety-eight thousand, seven hundred fifty-five".
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