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806238633 = 3268746211
BaseRepresentation
bin110000000011100…
…011100110101001
32002012002011111010
4300003203212221
53122344114013
6212000254133
725656625644
oct6003434651
92065064433
10806238633
11384112022
121a6011349
13cb0586a5
1479110a5b
154abaa7c3
hex300e39a9

806238633 has 4 divisors (see below), whose sum is σ = 1074984848. Its totient is φ = 537492420.

The previous prime is 806238613. The next prime is 806238659. The reversal of 806238633 is 336832608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-806238633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806238591 and 806238600.

It is not an unprimeable number, because it can be changed into a prime (806238613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134373103 + ... + 134373108.

It is an arithmetic number, because the mean of its divisors is an integer number (268746212).

Almost surely, 2806238633 is an apocalyptic number.

It is an amenable number.

806238633 is a deficient number, since it is larger than the sum of its proper divisors (268746215).

806238633 is a wasteful number, since it uses less digits than its factorization.

806238633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268746214.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 806238633 is about 28394.3415665868. The cubic root of 806238633 is about 930.7246185180.

The spelling of 806238633 in words is "eight hundred six million, two hundred thirty-eight thousand, six hundred thirty-three".

Divisors: 1 3 268746211 806238633