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520824053 = 1747336473
BaseRepresentation
bin11111000010110…
…010010011110101
31100022000121021202
4133002302103311
52031312332203
6123403022245
715622634321
oct3702622365
91308017252
10520824053
11247a9a902
1212650a985
1383b96619
144d256981
1530acd388
hex1f0b24f5

520824053 has 8 divisors (see below), whose sum is σ = 551662488. Its totient is φ = 490008064.

The previous prime is 520824043. The next prime is 520824071. The reversal of 520824053 is 350428025.

It can be written as a sum of positive squares in 4 ways, for example, as 19377604 + 501446449 = 4402^2 + 22393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520824053 - 24 = 520824037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520824043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77225 + ... + 83697.

It is an arithmetic number, because the mean of its divisors is an integer number (68957811).

Almost surely, 2520824053 is an apocalyptic number.

It is an amenable number.

520824053 is a deficient number, since it is larger than the sum of its proper divisors (30838435).

520824053 is a wasteful number, since it uses less digits than its factorization.

520824053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 520824053 is about 22821.5699065599. The cubic root of 520824053 is about 804.5697084425.

The spelling of 520824053 in words is "five hundred twenty million, eight hundred twenty-four thousand, fifty-three".

Divisors: 1 17 4733 6473 80461 110041 30636709 520824053