Base | Representation |
---|---|
bin | 1000000111001… |
… | …00001110011110 |
3 | 11202000222101020 |
4 | 10003210032132 |
5 | 114404344203 |
6 | 10430225010 |
7 | 1454235033 |
oct | 403441636 |
9 | 152028336 |
10 | 68043678 |
11 | 3545524a |
12 | 1a955166 |
13 | 11135241 |
14 | 907338a |
15 | 5e91153 |
hex | 40e439e |
68043678 has 8 divisors (see below), whose sum is σ = 136087368. Its totient is φ = 22681224.
The previous prime is 68043607. The next prime is 68043709. The reversal of 68043678 is 87634086.
It is a sphenic number, since it is the product of 3 distinct primes.
68043678 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5670301 + ... + 5670312.
It is an arithmetic number, because the mean of its divisors is an integer number (17010921).
Almost surely, 268043678 is an apocalyptic number.
68043678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68043678 is a wasteful number, since it uses less digits than its factorization.
68043678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11340618.
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 68043678 is about 8248.8591938522. The cubic root of 68043678 is about 408.2528829242.
The spelling of 68043678 in words is "sixty-eight million, forty-three thousand, six hundred seventy-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •