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395463712 = 2572252209
BaseRepresentation
bin10111100100100…
…100110000100000
31000120010122020011
4113210210300200
51302214314322
6103124054304
712541246300
oct2744446040
91016118204
10395463712
11193257816
12b0534394
1363c138c7
143a743600
1524ab9677
hex17924c20

395463712 has 36 divisors (see below), whose sum is σ = 905686110. Its totient is φ = 169483776.

The previous prime is 395463667. The next prime is 395463713. The reversal of 395463712 is 217364593.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 234579856 + 160883856 = 15316^2 + 12684^2 .

It is not an unprimeable number, because it can be changed into a prime (395463713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124537 + ... + 127672.

Almost surely, 2395463712 is an apocalyptic number.

395463712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

395463712 is an abundant number, since it is smaller than the sum of its proper divisors (510222398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395463712 is a wasteful number, since it uses less digits than its factorization.

395463712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252233 (or 252218 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 395463712 is about 19886.2694339587. The cubic root of 395463712 is about 734.0103991181.

The spelling of 395463712 in words is "three hundred ninety-five million, four hundred sixty-three thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 252209 504418 1008836 1765463 2017672 3530926 4035344 7061852 8070688 12358241 14123704 24716482 28247408 49432964 56494816 98865928 197731856 395463712