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395249941 is a prime number
BaseRepresentation
bin10111100011110…
…000100100010101
31000112201202222201
4113203300210111
51302140444231
6103115324501
712536366122
oct2743604425
91015652881
10395249941
11193121149
12b0450731
1363b6a508
143a6c9749
1524a76161
hex178f0915

395249941 has 2 divisors, whose sum is σ = 395249942. Its totient is φ = 395249940.

The previous prime is 395249929. The next prime is 395249999. The reversal of 395249941 is 149942593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348382225 + 46867716 = 18665^2 + 6846^2 .

It is a cyclic number.

It is not a de Polignac number, because 395249941 - 221 = 393152789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 395249891 and 395249900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395249341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197624970 + 197624971.

It is an arithmetic number, because the mean of its divisors is an integer number (197624971).

Almost surely, 2395249941 is an apocalyptic number.

It is an amenable number.

395249941 is a deficient number, since it is larger than the sum of its proper divisors (1).

395249941 is an equidigital number, since it uses as much as digits as its factorization.

395249941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 46.

The square root of 395249941 is about 19880.8938682344. The cubic root of 395249941 is about 733.8781169274.

The spelling of 395249941 in words is "three hundred ninety-five million, two hundred forty-nine thousand, nine hundred forty-one".