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806912676 = 223222414241
BaseRepresentation
bin110000000110001…
…000001010100100
32002020100102002200
4300012020022210
53123032201201
6212022534500
725665434043
oct6006101244
92066312080
10806912676
11384532489
121a6297430
13cb23342b
147924855a
154ac90386
hex301882a4

806912676 has 18 divisors (see below), whose sum is σ = 2039696022. Its totient is φ = 268970880.

The previous prime is 806912669. The next prime is 806912681. The reversal of 806912676 is 676219608.

It can be written as a sum of positive squares in only one way, i.e., 456249600 + 350663076 = 21360^2 + 18726^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×8069126762 = 1302216133378961952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11207085 + ... + 11207156.

Almost surely, 2806912676 is an apocalyptic number.

It is an amenable number.

806912676 is an abundant number, since it is smaller than the sum of its proper divisors (1232783346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806912676 is a wasteful number, since it uses less digits than its factorization.

806912676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22414251 (or 22414246 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 806912676 is about 28406.2084059101. The cubic root of 806912676 is about 930.9839187803.

The spelling of 806912676 in words is "eight hundred six million, nine hundred twelve thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 22414241 44828482 67242723 89656964 134485446 201728169 268970892 403456338 806912676