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814009711 = 1097467979
BaseRepresentation
bin110000100001001…
…100110101101111
32002201200222101211
4300201030311233
53131341302321
6212435015251
726112653104
oct6041146557
92081628354
10814009711
1138853a5a9
121a873a527
13cc849868
147a174aab
154b6e30e1
hex3084cd6f

814009711 has 4 divisors (see below), whose sum is σ = 821477800. Its totient is φ = 806541624.

The previous prime is 814009673. The next prime is 814009717. The reversal of 814009711 is 117900418.

814009711 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, and also an emirpimes, since its reverse is a distinct semiprime: 117900418 = 258950209.

It is a cyclic number.

It is not a de Polignac number, because 814009711 - 29 = 814009199 is a prime.

It is a super-2 number, since 2×8140097112 = 1325223619204607042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814009717) 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, 3733881 + ... + 3734098.

It is an arithmetic number, because the mean of its divisors is an integer number (205369450).

Almost surely, 2814009711 is an apocalyptic number.

814009711 is a deficient number, since it is larger than the sum of its proper divisors (7468089).

814009711 is a wasteful number, since it uses less digits than its factorization.

814009711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468088.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 814009711 is about 28530.8554200536. The cubic root of 814009711 is about 933.7053816760.

The spelling of 814009711 in words is "eight hundred fourteen million, nine thousand, seven hundred eleven".

Divisors: 1 109 7467979 814009711