Base | Representation |
---|---|
bin | 10010011111011… |
… | …001010100100000 |
3 | 210121201210221000 |
4 | 102133121110200 |
5 | 1113404020224 |
6 | 50441032000 |
7 | 10454553450 |
oct | 2237312440 |
9 | 717653830 |
10 | 310220064 |
11 | 14a124a20 |
12 | 87a85600 |
13 | 4c36888b |
14 | 2d2b3d60 |
15 | 1c37c0c9 |
hex | 127d9520 |
310220064 has 192 divisors, whose sum is σ = 1128314880. Its totient is φ = 80559360.
The previous prime is 310220059. The next prime is 310220081. The reversal of 310220064 is 460022013.
It is a happy number.
310220064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 31 ways as a sum of consecutive naturals, for example, 64197 + ... + 68859.
It is an arithmetic number, because the mean of its divisors is an integer number (5876640).
Almost surely, 2310220064 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 310220064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564157440).
310220064 is an abundant number, since it is smaller than the sum of its proper divisors (818094816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310220064 is a wasteful number, since it uses less digits than its factorization.
310220064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4700 (or 4686 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 310220064 is about 17613.0651506204. The cubic root of 310220064 is about 676.9500547523.
Adding to 310220064 its reverse (460022013), we get a palindrome (770242077).
The spelling of 310220064 in words is "three hundred ten million, two hundred twenty thousand, sixty-four".
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