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1006689227 = 2339430393
BaseRepresentation
bin111100000000001…
…101101111001011
32121011021010000012
4330000031233023
54030203023402
6243520502135
733642501005
oct7400155713
92534233005
101006689227
11477282575
1224117a94b
1313073cacb
14979ad375
155d5a3452
hex3c00dbcb

1006689227 has 4 divisors (see below), whose sum is σ = 1007121960. Its totient is φ = 1006256496.

The previous prime is 1006689163. The next prime is 1006689269. The reversal of 1006689227 is 7229866001.

1006689227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7229866001 = 21347338683.

It is a cyclic number.

It is not a de Polignac number, because 1006689227 - 26 = 1006689163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006689427) 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, 212858 + ... + 217535.

It is an arithmetic number, because the mean of its divisors is an integer number (251780490).

Almost surely, 21006689227 is an apocalyptic number.

1006689227 is a deficient number, since it is larger than the sum of its proper divisors (432733).

1006689227 is an equidigital number, since it uses as much as digits as its factorization.

1006689227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432732.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1006689227 is about 31728.3662831858. The cubic root of 1006689227 is about 1002.2247889767.

The spelling of 1006689227 in words is "one billion, six million, six hundred eighty-nine thousand, two hundred twenty-seven".

Divisors: 1 2339 430393 1006689227