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520958049 = 38313115971
BaseRepresentation
bin11111000011010…
…011000001100001
31100022021102002120
4133003103001201
52031331124144
6123405534453
715624033063
oct3703230141
91308242076
10520958049
11248081547
12126574429
1383c12601
144d28d733
1530b07e19
hex1f0d3061

520958049 has 16 divisors (see below), whose sum is σ = 708390144. Its totient is φ = 340480400.

The previous prime is 520958033. The next prime is 520958051. The reversal of 520958049 is 940859025.

It is a cyclic number.

It is not a de Polignac number, because 520958049 - 24 = 520958033 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 520958049.

It is not an unprimeable number, because it can be changed into a prime (520950049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24634 + ... + 40604.

It is an arithmetic number, because the mean of its divisors is an integer number (44274384).

Almost surely, 2520958049 is an apocalyptic number.

It is an amenable number.

520958049 is a deficient number, since it is larger than the sum of its proper divisors (187432095).

520958049 is a wasteful number, since it uses less digits than its factorization.

520958049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16188.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 520958049 is about 22824.5054491877. The cubic root of 520958049 is about 804.6387015940.

The spelling of 520958049 in words is "five hundred twenty million, nine hundred fifty-eight thousand, forty-nine".

Divisors: 1 3 83 131 249 393 10873 15971 32619 47913 1325593 2092201 3976779 6276603 173652683 520958049