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394105 = 5232149
BaseRepresentation
bin1100000001101111001
3202000121111
41200031321
5100102410
612240321
73230665
oct1401571
9660544
10394105
1124a108
121700a1
1310a4ca
14a38a5
157bb8a
hex60379

394105 has 12 divisors (see below), whose sum is σ = 497700. Its totient is φ = 299552.

The previous prime is 394099. The next prime is 394123. The reversal of 394105 is 501493.

394105 = 1942 + 1952 + ... + 2032.

It can be written as a sum of positive squares in 2 ways, for example, as 89401 + 304704 = 299^2 + 552^2 .

It is not a de Polignac number, because 394105 - 25 = 394073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2571 + ... + 2719.

It is an arithmetic number, because the mean of its divisors is an integer number (41475).

2394105 is an apocalyptic number.

It is an amenable number.

394105 is a deficient number, since it is larger than the sum of its proper divisors (103595).

394105 is a wasteful number, since it uses less digits than its factorization.

394105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 394105 is about 627.7778269420. Note that the first 3 decimals coincide. The cubic root of 394105 is about 73.3168810659.

Adding to 394105 its reverse (501493), we get a palindrome (895598).

The spelling of 394105 in words is "three hundred ninety-four thousand, one hundred five".

Divisors: 1 5 23 115 149 529 745 2645 3427 17135 78821 394105