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395950830 = 235111199851
BaseRepresentation
bin10111100110011…
…011101011101110
31000121001101102120
4113212123223232
51302330411310
6103142333410
712545345412
oct2746335356
91017041376
10395950830
1119355a7a0
12b072a266
1364054542
143a82cd42
1524b63b70
hex1799baee

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".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 1199851 2399702 3599553 5999255 7199106 11998510 13198361 17997765 26396722 35995530 39595083 65991805 79190166 131983610 197975415 395950830