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1145314580 = 22557265729
BaseRepresentation
bin100010001000100…
…0001110100010100
32221211010000020112
41010101001310110
54321200031310
6305352022152
740245004364
oct10421016424
92854100215
101145314580
11538555883
1227b691958
13153388547
14ac1769a4
156a837705
hex44441d14

1145314580 has 12 divisors (see below), whose sum is σ = 2405160660. Its totient is φ = 458125824.

The previous prime is 1145314579. The next prime is 1145314591. The reversal of 1145314580 is 854135411.

It can be written as a sum of positive squares in 2 ways, for example, as 516107524 + 629207056 = 22718^2 + 25084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28632845 + ... + 28632884.

It is an arithmetic number, because the mean of its divisors is an integer number (200430055).

Almost surely, 21145314580 is an apocalyptic number.

1145314580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145314580 is an abundant number, since it is smaller than the sum of its proper divisors (1259846080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145314580 is a wasteful number, since it uses less digits than its factorization.

1145314580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57265738 (or 57265736 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1145314580 is about 33842.4966573094. The cubic root of 1145314580 is about 1046.2647568203.

Adding to 1145314580 its reverse (854135411), we get a palindrome (1999449991).

The spelling of 1145314580 in words is "one billion, one hundred forty-five million, three hundred fourteen thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 57265729 114531458 229062916 286328645 572657290 1145314580