Search a number
-
+
395446041 = 3243938449
BaseRepresentation
bin10111100100100…
…000011100011001
31000120002201222200
4113210200130121
51302213233131
6103123440413
712541143624
oct2744403431
91016081880
10395446041
11193245511
12b0526109
1363c08853
143a73adbb
1524ab42e6
hex17920719

395446041 has 6 divisors (see below), whose sum is σ = 571199850. Its totient is φ = 263630688.

The previous prime is 395446019. The next prime is 395446063. The reversal of 395446041 is 140644593.

395446041 is a `hidden beast` number, since 3 + 9 + 5 + 44 + 604 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (395446019) and next prime (395446063).

It can be written as a sum of positive squares in only one way, i.e., 276723225 + 118722816 = 16635^2 + 10896^2 .

It is not a de Polignac number, because 395446041 - 26 = 395445977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 395445987 and 395446005.

It is not an unprimeable number, because it can be changed into a prime (395446081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21969216 + ... + 21969233.

It is an arithmetic number, because the mean of its divisors is an integer number (95199975).

Almost surely, 2395446041 is an apocalyptic number.

It is an amenable number.

395446041 is a deficient number, since it is larger than the sum of its proper divisors (175753809).

395446041 is a wasteful number, since it uses less digits than its factorization.

395446041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43938455 (or 43938452 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 395446041 is about 19885.8251274620. The cubic root of 395446041 is about 733.9994660535. Note that the first 3 decimals are identical.

The spelling of 395446041 in words is "three hundred ninety-five million, four hundred forty-six thousand, forty-one".

Divisors: 1 3 9 43938449 131815347 395446041