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520514441 = 4340130187
BaseRepresentation
bin11111000001100…
…110101110001001
31100021102212120122
4133001212232021
52031222430231
6123352233025
715620204546
oct3701465611
91307385518
10520514441
112478a9227
1212639b775
1383ab8715
144d1b5bcd
1530a6b77b
hex1f066b89

520514441 has 8 divisors (see below), whose sum is σ = 533965344. Its totient is φ = 507124800.

The previous prime is 520514437. The next prime is 520514471. The reversal of 520514441 is 144415025.

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

It is not a de Polignac number, because 520514441 - 22 = 520514437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520514441.

It is not an unprimeable number, because it can be changed into a prime (520514411) 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, 2150 + ... + 32336.

It is an arithmetic number, because the mean of its divisors is an integer number (66745668).

Almost surely, 2520514441 is an apocalyptic number.

It is an amenable number.

520514441 is a deficient number, since it is larger than the sum of its proper divisors (13450903).

520514441 is a wasteful number, since it uses less digits than its factorization.

520514441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30631.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 520514441 is about 22814.7855786549. The cubic root of 520514441 is about 804.4102471601.

Adding to 520514441 its reverse (144415025), we get a palindrome (664929466).

The spelling of 520514441 in words is "five hundred twenty million, five hundred fourteen thousand, four hundred forty-one".

Divisors: 1 43 401 17243 30187 1298041 12104987 520514441