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520353341 = 4721110221
BaseRepresentation
bin11111000000111…
…111011000111101
31100021010200120222
4133000333120331
52031202301331
6123344551125
715615634064
oct3700773075
91307120528
10520353341
112477a9192
121263224a5
1383a602b1
144d1731db
1530a38b7b
hex1f03f63d

520353341 has 4 divisors (see below), whose sum is σ = 520468284. Its totient is φ = 520238400.

The previous prime is 520353307. The next prime is 520353343. The reversal of 520353341 is 143353025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167702500 + 352650841 = 12950^2 + 18779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-520353341 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 520353341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520353343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50390 + ... + 59831.

It is an arithmetic number, because the mean of its divisors is an integer number (130117071).

Almost surely, 2520353341 is an apocalyptic number.

It is an amenable number.

520353341 is a deficient number, since it is larger than the sum of its proper divisors (114943).

520353341 is a wasteful number, since it uses less digits than its factorization.

520353341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114942.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 520353341 is about 22811.2547002571. The cubic root of 520353341 is about 804.3272498710.

The spelling of 520353341 in words is "five hundred twenty million, three hundred fifty-three thousand, three hundred forty-one".

Divisors: 1 4721 110221 520353341