Base | Representation |
---|---|
bin | 110000001011111… |
… | …100101001110010 |
3 | 2002100012220222110 |
4 | 300023330221302 |
5 | 3123430012021 |
6 | 212115350150 |
7 | 26014420140 |
oct | 6013745162 |
9 | 2070186873 |
10 | 808438386 |
11 | 3853847a8 |
12 | 1a68b2356 |
13 | cb648a12 |
14 | 79524590 |
15 | 4ae92476 |
hex | 302fca72 |
808438386 has 32 divisors (see below), whose sum is σ = 1864222848. Its totient is φ = 228936960.
The previous prime is 808438381. The next prime is 808438409. The reversal of 808438386 is 683834808.
It is a happy number.
808438386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (808438381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80425 + ... + 89916.
It is an arithmetic number, because the mean of its divisors is an integer number (58256964).
Almost surely, 2808438386 is an apocalyptic number.
808438386 is an abundant number, since it is smaller than the sum of its proper divisors (1055784462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808438386 is a wasteful number, since it uses less digits than its factorization.
808438386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170466.
The product of its (nonzero) digits is 884736, while the sum is 48.
The square root of 808438386 is about 28433.0509442796. The cubic root of 808438386 is about 931.5703172917.
The spelling of 808438386 in words is "eight hundred eight million, four hundred thirty-eight thousand, three hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •