Base | Representation |
---|---|
bin | 1000001001000… |
… | …00110001111010 |
3 | 11202111120121110 |
4 | 10010200301322 |
5 | 114440313311 |
6 | 10435421150 |
7 | 1456320120 |
oct | 404406172 |
9 | 152446543 |
10 | 68291706 |
11 | 3560462a |
12 | 1aa547b6 |
13 | 111c10c2 |
14 | 90d9910 |
15 | 5ede8a6 |
hex | 4120c7a |
68291706 has 16 divisors (see below), whose sum is σ = 156095424. Its totient is φ = 19511904.
The previous prime is 68291701. The next prime is 68291753. The reversal of 68291706 is 60719286.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68291701) 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, 812955 + ... + 813038.
It is an arithmetic number, because the mean of its divisors is an integer number (9755964).
Almost surely, 268291706 is an apocalyptic number.
68291706 is an abundant number, since it is smaller than the sum of its proper divisors (87803718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68291706 is a wasteful number, since it uses less digits than its factorization.
68291706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1626005.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 68291706 is about 8263.8795973804. The cubic root of 68291706 is about 408.7483262657.
The spelling of 68291706 in words is "sixty-eight million, two hundred ninety-one thousand, seven hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •