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580481089 = 2812065769
BaseRepresentation
bin100010100110010…
…111000001000001
31111110021111100121
4202212113001001
52142100343324
6133333420241
720246002456
oct4246270101
91443244317
10580481089
11278737041
1214249a681
1393353446
145714582d
1535e645e4
hex22997041

580481089 has 4 divisors (see below), whose sum is σ = 582547140. Its totient is φ = 578415040.

The previous prime is 580481087. The next prime is 580481129. The reversal of 580481089 is 980184085.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980184085 = 5196036817.

It can be written as a sum of positive squares in 2 ways, for example, as 314530225 + 265950864 = 17735^2 + 16308^2 .

It is a cyclic number.

It is not a de Polignac number, because 580481089 - 21 = 580481087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (580481087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032604 + ... + 1033165.

It is an arithmetic number, because the mean of its divisors is an integer number (145636785).

Almost surely, 2580481089 is an apocalyptic number.

It is an amenable number.

580481089 is a deficient number, since it is larger than the sum of its proper divisors (2066051).

580481089 is a wasteful number, since it uses less digits than its factorization.

580481089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066050.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 580481089 is about 24093.1751539725. The cubic root of 580481089 is about 834.1856063353.

The spelling of 580481089 in words is "five hundred eighty million, four hundred eighty-one thousand, eighty-nine".

Divisors: 1 281 2065769 580481089