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2005443054 = 232558119963
BaseRepresentation
bin111011110001000…
…1010000111101110
312011202121001200200
41313202022013232
513101343134204
6530555334330
7100460661516
oct16742120756
95152531620
102005443054
1193a02505a
1247b7513a6
1325c6319c4
141504b4846
15bb0da539
hex7788a1ee

2005443054 has 24 divisors (see below), whose sum is σ = 4346122872. Its totient is φ = 668327760.

The previous prime is 2005443053. The next prime is 2005443101. The reversal of 2005443054 is 4503445002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005443053) 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 11 ways as a sum of consecutive naturals, for example, 90477 + ... + 110439.

It is an arithmetic number, because the mean of its divisors is an integer number (181088453).

Almost surely, 22005443054 is an apocalyptic number.

2005443054 is an abundant number, since it is smaller than the sum of its proper divisors (2340679818).

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

2005443054 is a wasteful number, since it uses less digits than its factorization.

2005443054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25552 (or 25549 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2005443054 is about 44782.1733952250. The cubic root of 2005443054 is about 1261.0629843038.

Adding to 2005443054 its reverse (4503445002), we get a palindrome (6508888056).

The spelling of 2005443054 in words is "two billion, five million, four hundred forty-three thousand, fifty-four".

Divisors: 1 2 3 6 9 18 5581 11162 16743 19963 33486 39926 50229 59889 100458 119778 179667 359334 111413503 222827006 334240509 668481018 1002721527 2005443054