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806361133 = 5315214361
BaseRepresentation
bin110000000100000…
…001100000101101
32002012022101112011
4300010001200231
53122412024013
6212003041221
725660646044
oct6004014055
92065271464
10806361133
11384196066
121a6070211
13cb09c386
147914355b
154abd1c3d
hex3010182d

806361133 has 4 divisors (see below), whose sum is σ = 821575548. Its totient is φ = 791146720.

The previous prime is 806361109. The next prime is 806361151. The reversal of 806361133 is 331163608.

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 655513609 + 150847524 = 25603^2 + 12282^2 .

It is a cyclic number.

It is not a de Polignac number, because 806361133 - 221 = 804263981 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806361095 and 806361104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806361103) 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, 7607128 + ... + 7607233.

It is an arithmetic number, because the mean of its divisors is an integer number (205393887).

Almost surely, 2806361133 is an apocalyptic number.

It is an amenable number.

806361133 is a deficient number, since it is larger than the sum of its proper divisors (15214415).

806361133 is a wasteful number, since it uses less digits than its factorization.

806361133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214414.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 806361133 is about 28396.4986045815. The cubic root of 806361133 is about 930.7717542696.

It can be divided in two parts, 8063 and 61133, that added together give a palindrome (69196).

The spelling of 806361133 in words is "eight hundred six million, three hundred sixty-one thousand, one hundred thirty-three".

Divisors: 1 53 15214361 806361133