Base | Representation |
---|---|
bin | 10111100110011… |
… | …010111111000000 |
3 | 1000121001020111120 |
4 | 113212122333000 |
5 | 1302330313333 |
6 | 103142312240 |
7 | 12545334153 |
oct | 2746327700 |
9 | 1017036446 |
10 | 395947968 |
11 | 193558629 |
12 | b0728680 |
13 | 64053150 |
14 | 3a82bc9a |
15 | 24b62db3 |
hex | 1799afc0 |
395947968 has 56 divisors (see below), whose sum is σ = 1128205008. Its totient is φ = 121829376.
The previous prime is 395947961. The next prime is 395948009. The reversal of 395947968 is 869749593.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (395947961) 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, 76821 + ... + 81812.
It is an arithmetic number, because the mean of its divisors is an integer number (20146518).
Almost surely, 2395947968 is an apocalyptic number.
It is an amenable number.
395947968 is an abundant number, since it is smaller than the sum of its proper divisors (732257040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395947968 is a wasteful number, since it uses less digits than its factorization.
395947968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158661 (or 158651 counting only the distinct ones).
The product of its digits is 14696640, while the sum is 60.
The square root of 395947968 is about 19898.4413459949. The cubic root of 395947968 is about 734.3098820981.
The spelling of 395947968 in words is "three hundred ninety-five million, nine hundred forty-seven thousand, nine hundred sixty-eight".
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