Base | Representation |
---|---|
bin | 1000001101111… |
… | …10101000001111 |
3 | 11210201102111201 |
4 | 10012332220033 |
5 | 120122011010 |
6 | 10501330331 |
7 | 1464652111 |
oct | 406765017 |
9 | 153642451 |
10 | 68938255 |
11 | 35a06371 |
12 | 1b1069a7 |
13 | 11389489 |
14 | 92273b1 |
15 | 60bb23a |
hex | 41bea0f |
68938255 has 8 divisors (see below), whose sum is σ = 84128400. Its totient is φ = 54215616.
The previous prime is 68938253. The next prime is 68938273. The reversal of 68938255 is 55283986.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68938255 - 21 = 68938253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68938253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116550 + ... + 117139.
It is an arithmetic number, because the mean of its divisors is an integer number (10516050).
Almost surely, 268938255 is an apocalyptic number.
68938255 is a deficient number, since it is larger than the sum of its proper divisors (15190145).
68938255 is a wasteful number, since it uses less digits than its factorization.
68938255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233753.
The product of its digits is 518400, while the sum is 46.
The square root of 68938255 is about 8302.9064188391. The cubic root of 68938255 is about 410.0342128896.
The spelling of 68938255 in words is "sixty-eight million, nine hundred thirty-eight thousand, two hundred fifty-five".
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