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520315411 = 7116757343
BaseRepresentation
bin11111000000110…
…110001000010011
31100021001202120011
4133000312020103
52031200043121
6123344055351
715615415360
oct3700661023
91307052504
10520315411
11247782740
12126304557
1383a48c55
144d163467
1530a2c7e1
hex1f036213

520315411 has 8 divisors (see below), whose sum is σ = 648705024. Its totient is φ = 405440520.

The previous prime is 520315403. The next prime is 520315489. The reversal of 520315411 is 114513025.

It is a happy number.

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 520315411 - 23 = 520315403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520315511) 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 7 ways as a sum of consecutive naturals, for example, 3378595 + ... + 3378748.

It is an arithmetic number, because the mean of its divisors is an integer number (81088128).

Almost surely, 2520315411 is an apocalyptic number.

520315411 is a deficient number, since it is larger than the sum of its proper divisors (128389613).

520315411 is a wasteful number, since it uses less digits than its factorization.

520315411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6757361.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 520315411 is about 22810.4232972560. The cubic root of 520315411 is about 804.3077061806.

Adding to 520315411 its reverse (114513025), we get a palindrome (634828436).

The spelling of 520315411 in words is "five hundred twenty million, three hundred fifteen thousand, four hundred eleven".

Divisors: 1 7 11 77 6757343 47301401 74330773 520315411