Base | Representation |
---|---|
bin | 1000001100001… |
… | …00000010001111 |
3 | 11210021020021211 |
4 | 10012010002033 |
5 | 120041321010 |
6 | 10452235251 |
7 | 1462632313 |
oct | 406040217 |
9 | 153236254 |
10 | 68698255 |
11 | 3586201a |
12 | 1b00bb27 |
13 | 11304172 |
14 | 91a3b43 |
15 | 607008a |
hex | 418408f |
68698255 has 16 divisors (see below), whose sum is σ = 84610944. Its totient is φ = 53521920.
The previous prime is 68698193. The next prime is 68698271. The reversal of 68698255 is 55289686.
It is not a de Polignac number, because 68698255 - 211 = 68696207 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68698199 and 68698208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56029 + ... + 57241.
It is an arithmetic number, because the mean of its divisors is an integer number (5288184).
Almost surely, 268698255 is an apocalyptic number.
68698255 is a deficient number, since it is larger than the sum of its proper divisors (15912689).
68698255 is a wasteful number, since it uses less digits than its factorization.
68698255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1506.
The product of its digits is 1036800, while the sum is 49.
The square root of 68698255 is about 8288.4410476277. The cubic root of 68698255 is about 409.5578318578.
The spelling of 68698255 in words is "sixty-eight million, six hundred ninety-eight thousand, two hundred fifty-five".
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