Base | Representation |
---|---|
bin | 10111100110011… |
… | …011101011101110 |
3 | 1000121001101102120 |
4 | 113212123223232 |
5 | 1302330411310 |
6 | 103142333410 |
7 | 12545345412 |
oct | 2746335356 |
9 | 1017041376 |
10 | 395950830 |
11 | 19355a7a0 |
12 | b072a266 |
13 | 64054542 |
14 | 3a82cd42 |
15 | 24b63b70 |
hex | 1799baee |
395950830 has 32 divisors (see below), whose sum is σ = 1036672128. Its totient is φ = 95988000.
The previous prime is 395950811. The next prime is 395950843. The reversal of 395950830 is 38059593.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599596 + ... + 600255.
It is an arithmetic number, because the mean of its divisors is an integer number (32396004).
Almost surely, 2395950830 is an apocalyptic number.
395950830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
395950830 is an abundant number, since it is smaller than the sum of its proper divisors (640721298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395950830 is a wasteful number, since it uses less digits than its factorization.
395950830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1199872.
The product of its (nonzero) digits is 145800, while the sum is 42.
The square root of 395950830 is about 19898.5132610454. The cubic root of 395950830 is about 734.3116513456.
The spelling of 395950830 in words is "three hundred ninety-five million, nine hundred fifty thousand, eight hundred thirty".
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