Base | Representation |
---|---|
bin | 1000001101100… |
… | …01001101100100 |
3 | 11210121122010100 |
4 | 10012301031210 |
5 | 120113231200 |
6 | 10500224100 |
7 | 1464332643 |
oct | 406611544 |
9 | 153548110 |
10 | 68883300 |
11 | 35979052 |
12 | 1b09b030 |
13 | 1136a465 |
14 | 921135a |
15 | 60a9d00 |
hex | 41b1364 |
68883300 has 54 divisors (see below), whose sum is σ = 215913698. Its totient is φ = 18368640.
The previous prime is 68883299. The next prime is 68883301. The reversal of 68883300 is 338886.
It is an interprime number because it is at equal distance from previous prime (68883299) and next prime (68883301).
It can be written as a sum of positive squares in 3 ways, for example, as 20358144 + 48525156 = 4512^2 + 6966^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68883301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37369 + ... + 39168.
Almost surely, 268883300 is an apocalyptic number.
68883300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68883300 is an abundant number, since it is smaller than the sum of its proper divisors (147030398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68883300 is a wasteful number, since it uses less digits than its factorization.
68883300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76557 (or 76547 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 68883300 is about 8299.5963757282. The cubic root of 68883300 is about 409.9252292760.
The spelling of 68883300 in words is "sixty-eight million, eight hundred eighty-three thousand, three hundred".
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