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395000043 = 35314916673
BaseRepresentation
bin10111100010110…
…011100011101011
31000112021002012020
4113202303203223
51302110000133
6103110115523
712534305424
oct2742634353
91015232166
10395000043
11192a70419
12b034bba3
1363ab0849
143a66264b
1524a270b3
hex178b38eb

395000043 has 16 divisors (see below), whose sum is σ = 540237600. Its totient is φ = 256615424.

The previous prime is 395000017. The next prime is 395000057. The reversal of 395000043 is 340000593.

It is a cyclic number.

It is not a de Polignac number, because 395000043 - 212 = 394995947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394999977 and 395000022.

It is not an unprimeable number, because it can be changed into a prime (395000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15355 + ... + 32027.

It is an arithmetic number, because the mean of its divisors is an integer number (33764850).

Almost surely, 2395000043 is an apocalyptic number.

395000043 is a deficient number, since it is larger than the sum of its proper divisors (145237557).

395000043 is a wasteful number, since it uses less digits than its factorization.

395000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16878.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 395000043 is about 19874.6079961342. The cubic root of 395000043 is about 733.7234187488.

The spelling of 395000043 in words is "three hundred ninety-five million, forty-three", and thus it is an aban number.

Divisors: 1 3 53 149 159 447 7897 16673 23691 50019 883669 2484277 2651007 7452831 131666681 395000043