Base | Representation |
---|---|
bin | 10111100100010… |
… | …100010100011100 |
3 | 1000120000012212101 |
4 | 113210110110130 |
5 | 1302210141010 |
6 | 103122414444 |
7 | 12540546061 |
oct | 2744242434 |
9 | 1016005771 |
10 | 395396380 |
11 | 193211175 |
12 | b0501424 |
13 | 63bbc072 |
14 | 3a726c68 |
15 | 24aa473a |
hex | 1791451c |
395396380 has 12 divisors (see below), whose sum is σ = 830332440. Its totient is φ = 158158544.
The previous prime is 395396357. The next prime is 395396399. The reversal of 395396380 is 83693593.
It is a self number, because there is not a number n which added to its sum of digits gives 395396380.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 9884890 + ... + 9884929.
It is an arithmetic number, because the mean of its divisors is an integer number (69194370).
Almost surely, 2395396380 is an apocalyptic number.
It is an amenable number.
395396380 is an abundant number, since it is smaller than the sum of its proper divisors (434936060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395396380 is a wasteful number, since it uses less digits than its factorization.
395396380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19769828 (or 19769826 counting only the distinct ones).
The product of its (nonzero) digits is 524880, while the sum is 46.
The square root of 395396380 is about 19884.5764350162. The cubic root of 395396380 is about 733.9687390013.
The spelling of 395396380 in words is "three hundred ninety-five million, three hundred ninety-six thousand, three hundred eighty".
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