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2005532340 = 223574775077
BaseRepresentation
bin111011110001001…
…1111111010110100
312011202202121011120
41313202133322310
513101404013330
6531001303540
7100461513030
oct16742377264
95152677146
102005532340
1193a086149
1247b794bb0
1325c663536
141504d91c0
15bb106c10
hex7789feb4

2005532340 has 48 divisors (see below), whose sum is σ = 6417704832. Its totient is φ = 458407296.

The previous prime is 2005532303. The next prime is 2005532363. The reversal of 2005532340 is 432355002.

It is a self number, because there is not a number n which added to its sum of digits gives 2005532340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2387119 + ... + 2387958.

It is an arithmetic number, because the mean of its divisors is an integer number (133702184).

Almost surely, 22005532340 is an apocalyptic number.

2005532340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005532340 is an abundant number, since it is smaller than the sum of its proper divisors (4412172492).

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

2005532340 is a wasteful number, since it uses less digits than its factorization.

2005532340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775096 (or 4775094 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 2005532340 is about 44783.1702763438. The cubic root of 2005532340 is about 1261.0816989711.

Adding to 2005532340 its reverse (432355002), we get a palindrome (2437887342).

The spelling of 2005532340 in words is "two billion, five million, five hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 4775077 9550154 14325231 19100308 23875385 28650462 33425539 47750770 57300924 66851078 71626155 95501540 100276617 133702156 143252310 167127695 200553234 286504620 334255390 401106468 501383085 668510780 1002766170 2005532340