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1469742889 = 2099700211
BaseRepresentation
bin101011110011010…
…0111111100101001
310210102120200012211
41113212213330221
511002223233024
6401501405121
751264415456
oct12746477451
93712520184
101469742889
116946a464a
123502697a1
131a565a264
14dd2a882d
158906e594
hex579a7f29

1469742889 has 4 divisors (see below), whose sum is σ = 1470445200. Its totient is φ = 1469040580.

The previous prime is 1469742863. The next prime is 1469742893. The reversal of 1469742889 is 9882479641.

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 cyclic number.

It is not a de Polignac number, because 1469742889 - 227 = 1335525161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1469742289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348007 + ... + 352204.

It is an arithmetic number, because the mean of its divisors is an integer number (367611300).

Almost surely, 21469742889 is an apocalyptic number.

It is an amenable number.

1469742889 is a deficient number, since it is larger than the sum of its proper divisors (702311).

1469742889 is an equidigital number, since it uses as much as digits as its factorization.

1469742889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702310.

The product of its digits is 6967296, while the sum is 58.

The square root of 1469742889 is about 38337.2258907710. The cubic root of 1469742889 is about 1136.9650702841.

The spelling of 1469742889 in words is "one billion, four hundred sixty-nine million, seven hundred forty-two thousand, eight hundred eighty-nine".

Divisors: 1 2099 700211 1469742889