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806324369 = 1657486617
BaseRepresentation
bin110000000011111…
…000100010010001
32002012020112002112
4300003320202101
53122404334434
6212002155105
725660433624
oct6003704221
92065215075
10806324369
11384170484
121a6052a95
13cb088716
1479133dbb
154abc5dce
hex300f8891

806324369 has 4 divisors (see below), whose sum is σ = 806812644. Its totient is φ = 805836096.

The previous prime is 806324359. The next prime is 806324423. The reversal of 806324369 is 963423608.

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 228402769 + 577921600 = 15113^2 + 24040^2 .

It is a cyclic number.

It is not a de Polignac number, because 806324369 - 228 = 537888913 is a prime.

It is a super-2 number, since 2×8063243692 = 1300317976086496322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806324329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241652 + ... + 244965.

It is an arithmetic number, because the mean of its divisors is an integer number (201703161).

Almost surely, 2806324369 is an apocalyptic number.

It is an amenable number.

806324369 is a deficient number, since it is larger than the sum of its proper divisors (488275).

806324369 is a wasteful number, since it uses less digits than its factorization.

806324369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488274.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 806324369 is about 28395.8512638730. The cubic root of 806324369 is about 930.7576086586.

The spelling of 806324369 in words is "eight hundred six million, three hundred twenty-four thousand, three hundred sixty-nine".

Divisors: 1 1657 486617 806324369