Base | Representation |
---|---|
bin | 1000001001011… |
… | …10101111100100 |
3 | 11202121111001202 |
4 | 10010232233210 |
5 | 114444131100 |
6 | 10440542032 |
7 | 1456645634 |
oct | 404565744 |
9 | 152544052 |
10 | 68348900 |
11 | 356435a4 |
12 | 1aa81918 |
13 | 11211149 |
14 | 91126c4 |
15 | 60017d5 |
hex | 412ebe4 |
68348900 has 18 divisors (see below), whose sum is σ = 148317330. Its totient is φ = 27339520.
The previous prime is 68348899. The next prime is 68348957. The reversal of 68348900 is 984386.
It can be written as a sum of positive squares in 3 ways, for example, as 11888704 + 56460196 = 3448^2 + 7514^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341645 + ... + 341844.
Almost surely, 268348900 is an apocalyptic number.
It is an amenable number.
68348900 is an abundant number, since it is smaller than the sum of its proper divisors (79968430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68348900 is a wasteful number, since it uses less digits than its factorization.
68348900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 683503 (or 683496 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 68348900 is about 8267.3393543510. The cubic root of 68348900 is about 408.8624027272.
The spelling of 68348900 in words is "sixty-eight million, three hundred forty-eight thousand, nine hundred".
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