Base | Representation |
---|---|
bin | 1000001010001… |
… | …00010100110100 |
3 | 11202202222022211 |
4 | 10011010110310 |
5 | 120004443200 |
6 | 10442503204 |
7 | 1460464441 |
oct | 405042464 |
9 | 152688284 |
10 | 68437300 |
11 | 356a3a58 |
12 | 1ab04b04 |
13 | 11242459 |
14 | 91369c8 |
15 | 601caba |
hex | 4144534 |
68437300 has 18 divisors (see below), whose sum is σ = 148509158. Its totient is φ = 27374880.
The previous prime is 68437289. The next prime is 68437319. The reversal of 68437300 is 373486.
It can be written as a sum of positive squares in 3 ways, for example, as 11464996 + 56972304 = 3386^2 + 7548^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342087 + ... + 342286.
Almost surely, 268437300 is an apocalyptic number.
It is an amenable number.
68437300 is an abundant number, since it is smaller than the sum of its proper divisors (80071858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68437300 is a wasteful number, since it uses less digits than its factorization.
68437300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 684387 (or 684380 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 31.
The square root of 68437300 is about 8272.6839659206. The cubic root of 68437300 is about 409.0385960791.
The spelling of 68437300 in words is "sixty-eight million, four hundred thirty-seven thousand, three hundred".
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