Base | Representation |
---|---|
bin | 10010010111000… |
… | …010110110101000 |
3 | 210110121120221102 |
4 | 102113002312220 |
5 | 1112323442023 |
6 | 50322100532 |
7 | 10430135144 |
oct | 2227026650 |
9 | 713546842 |
10 | 308030888 |
11 | 14896a190 |
12 | 871aa748 |
13 | 4ba802c9 |
14 | 2cca4224 |
15 | 1c098628 |
hex | 125c2da8 |
308030888 has 64 divisors (see below), whose sum is σ = 702302400. Its totient is φ = 124830720.
The previous prime is 308030867. The next prime is 308030941. The reversal of 308030888 is 888030803.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23006 + ... + 33842.
It is an arithmetic number, because the mean of its divisors is an integer number (10973475).
Almost surely, 2308030888 is an apocalyptic number.
308030888 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 308030888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351151200).
308030888 is an abundant number, since it is smaller than the sum of its proper divisors (394271512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308030888 is a wasteful number, since it uses less digits than its factorization.
308030888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10890 (or 10886 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 308030888 is about 17550.8087562938. The cubic root of 308030888 is about 675.3539162768.
The spelling of 308030888 in words is "three hundred eight million, thirty thousand, eight hundred eighty-eight".
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