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395028 = 223210973
BaseRepresentation
bin1100000011100010100
3202001212200
41200130110
5100120103
612244500
73233454
oct1403424
9661780
10395028
1124a877
12170730
1310aa5a
14a3d64
157c0a3
hex60714

395028 has 18 divisors (see below), whose sum is σ = 998634. Its totient is φ = 131664.

The previous prime is 395027. The next prime is 395039. The reversal of 395028 is 820593.

It can be written as a sum of positive squares in only one way, i.e., 345744 + 49284 = 588^2 + 222^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 394992 and 395010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5451 + ... + 5522.

2395028 is an apocalyptic number.

It is an amenable number.

395028 is an abundant number, since it is smaller than the sum of its proper divisors (603606).

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

395028 is a wasteful number, since it uses less digits than its factorization.

395028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10983 (or 10978 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 395028 is about 628.5125297080. The cubic root of 395028 is about 73.3740728639.

The spelling of 395028 in words is "three hundred ninety-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 10973 21946 32919 43892 65838 98757 131676 197514 395028