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813343417 = 3532304089
BaseRepresentation
bin110000011110101…
…010001010111001
32002200110010102021
4300132222022321
53131203442132
6212412434441
726104206415
oct6036521271
92080403367
10813343417
11388124a47
121a8478a21
13cc6754c3
147a03dd45
154b610997
hex307aa2b9

813343417 has 4 divisors (see below), whose sum is σ = 815647860. Its totient is φ = 811038976.

The previous prime is 813343403. The next prime is 813343423. The reversal of 813343417 is 714343318.

813343417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236575161 + 576768256 = 15381^2 + 24016^2 .

It is a cyclic number.

It is not a de Polignac number, because 813343417 - 219 = 812819129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813347417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151692 + ... + 1152397.

It is an arithmetic number, because the mean of its divisors is an integer number (203911965).

Almost surely, 2813343417 is an apocalyptic number.

It is an amenable number.

813343417 is a deficient number, since it is larger than the sum of its proper divisors (2304443).

813343417 is a wasteful number, since it uses less digits than its factorization.

813343417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304442.

The product of its digits is 24192, while the sum is 34.

The square root of 813343417 is about 28519.1763029720. The cubic root of 813343417 is about 933.4505558408.

Subtracting from 813343417 its reverse (714343318), we obtain a palindrome (99000099).

The spelling of 813343417 in words is "eight hundred thirteen million, three hundred forty-three thousand, four hundred seventeen".

Divisors: 1 353 2304089 813343417