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10395217 = 71485031
BaseRepresentation
bin100111101001…
…111001010001
3201120010120001
4213221321101
510130121332
61010450001
7154233520
oct47517121
921503501
1010395217
115960098
123593901
1321cc721
1415484b7
15da50e7
hex9e9e51

10395217 has 4 divisors (see below), whose sum is σ = 11880256. Its totient is φ = 8910180.

The previous prime is 10395197. The next prime is 10395233. The reversal of 10395217 is 71259301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71259301 = 487146323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10395217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10395257) 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 3 ways as a sum of consecutive naturals, for example, 742509 + ... + 742522.

It is an arithmetic number, because the mean of its divisors is an integer number (2970064).

Almost surely, 210395217 is an apocalyptic number.

It is an amenable number.

10395217 is a deficient number, since it is larger than the sum of its proper divisors (1485039).

10395217 is an equidigital number, since it uses as much as digits as its factorization.

10395217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485038.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 10395217 is about 3224.1614413674. The cubic root of 10395217 is about 218.2451090954.

The spelling of 10395217 in words is "ten million, three hundred ninety-five thousand, two hundred seventeen".

Divisors: 1 7 1485031 10395217