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1469856089 = 13113065853
BaseRepresentation
bin101011110011100…
…0011100101011001
310210102210102111102
41113213003211121
511002240343324
6401504041145
751265366502
oct12747034531
93712712442
101469856089
116947716a9
123503031b5
131a5699940
14dd2d7ba9
1589092dae
hex579c3959

1469856089 has 4 divisors (see below), whose sum is σ = 1582921956. Its totient is φ = 1356790224.

The previous prime is 1469856071. The next prime is 1469856133. The reversal of 1469856089 is 9806589641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9806589641 = 59391651219.

It can be written as a sum of positive squares in 2 ways, for example, as 478865689 + 990990400 = 21883^2 + 31480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1469856089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1469856019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56532914 + ... + 56532939.

It is an arithmetic number, because the mean of its divisors is an integer number (395730489).

Almost surely, 21469856089 is an apocalyptic number.

It is an amenable number.

1469856089 is a deficient number, since it is larger than the sum of its proper divisors (113065867).

1469856089 is a wasteful number, since it uses less digits than its factorization.

1469856089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113065866.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The square root of 1469856089 is about 38338.7022341654. The cubic root of 1469856089 is about 1136.9942593218.

The spelling of 1469856089 in words is "one billion, four hundred sixty-nine million, eight hundred fifty-six thousand, eighty-nine".

Divisors: 1 13 113065853 1469856089