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395290095841 = 6287212
BaseRepresentation
bin1011100000010010010…
…00000011000011100001
31101210022110001110010001
411300021020003003201
522434023231031331
6501332130340001
740362441243004
oct5601110030341
91353273043101
10395290095841
11142706a54723
1264739a2a601
132b3779204c4
14151bc85753b
15a438196561
hex5c092030e1

395290095841 has 3 divisors (see below), whose sum is σ = 395290724563. Its totient is φ = 395289467120.

The previous prime is 395290095797. The next prime is 395290095881. The reversal of 395290095841 is 148590092593.

The square root of 395290095841 is 628721.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 206725718241 + 188564377600 = 454671^2 + 434240^2 .

It is not a de Polignac number, because 395290095841 - 27 = 395290095713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395290095881) 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 2 ways as a sum of consecutive naturals, for example, 314361 + ... + 943081.

Almost surely, 2395290095841 is an apocalyptic number.

395290095841 is the 628721-st square number.

395290095841 is the 314361-st centered octagonal number.

It is an amenable number.

395290095841 is a deficient number, since it is larger than the sum of its proper divisors (628722).

395290095841 is an frugal number, since it uses more digits than its factorization.

395290095841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257442 (or 628721 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 395290095841 in words is "three hundred ninety-five billion, two hundred ninety million, ninety-five thousand, eight hundred forty-one".

Divisors: 1 628721 395290095841