Base | Representation |
---|---|
bin | 1000001001000… |
… | …10001010101001 |
3 | 11202111212101210 |
4 | 10010202022221 |
5 | 114441004020 |
6 | 10435503333 |
7 | 1456342512 |
oct | 404421251 |
9 | 152455353 |
10 | 68297385 |
11 | 35608922 |
12 | 1aa57b49 |
13 | 111c3870 |
14 | 90dba09 |
15 | 5ee13e0 |
hex | 41222a9 |
68297385 has 32 divisors (see below), whose sum is σ = 119363328. Its totient is φ = 33143040.
The previous prime is 68297363. The next prime is 68297393. The reversal of 68297385 is 58379286.
It is not a de Polignac number, because 68297385 - 29 = 68296873 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11379 + ... + 16311.
It is an arithmetic number, because the mean of its divisors is an integer number (3730104).
Almost surely, 268297385 is an apocalyptic number.
68297385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
68297385 is a deficient number, since it is larger than the sum of its proper divisors (51065943).
68297385 is a wasteful number, since it uses less digits than its factorization.
68297385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5025.
The product of its digits is 725760, while the sum is 48.
The square root of 68297385 is about 8264.2231939850. The cubic root of 68297385 is about 408.7596561794.
The spelling of 68297385 in words is "sixty-eight million, two hundred ninety-seven thousand, three hundred eighty-five".
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