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806650340 = 225172372501
BaseRepresentation
bin110000000101001…
…000000111100100
32002012212002020112
4300011020013210
53123000302330
6212013152152
725663262156
oct6005100744
92065762215
10806650340
11384373381
121a618b658
13cb170bc2
14791baad6
154ac3c795
hex301481e4

806650340 has 24 divisors (see below), whose sum is σ = 1793611512. Its totient is φ = 303680000.

The previous prime is 806650333. The next prime is 806650363. The reversal of 806650340 is 43056608.

It can be written as a sum of positive squares in 4 ways, for example, as 127735204 + 678915136 = 11302^2 + 26056^2 .

It is a super-3 number, since 3×8066503403 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 806650297 and 806650306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185911 + ... + 1186590.

It is an arithmetic number, because the mean of its divisors is an integer number (74733813).

Almost surely, 2806650340 is an apocalyptic number.

It is an amenable number.

806650340 is an abundant number, since it is smaller than the sum of its proper divisors (986961172).

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

806650340 is a wasteful number, since it uses less digits than its factorization.

806650340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372527 (or 2372525 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 806650340 is about 28401.5904484238. The cubic root of 806650340 is about 930.8830168790.

The spelling of 806650340 in words is "eight hundred six million, six hundred fifty thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2372501 4745002 9490004 11862505 23725010 40332517 47450020 80665034 161330068 201662585 403325170 806650340