Search a number
-
+
520677311 = 71119479743
BaseRepresentation
bin11111000010001…
…110011110111111
31100021202010222212
4133002032132333
52031243133221
6123355531035
715621453440
oct3702163677
91307663885
10520677311
112479aa630
12126459a7b
1383b448ab
144d2192c7
1530a9eb5b
hex1f08e7bf

520677311 has 32 divisors (see below), whose sum is σ = 685670400. Its totient is φ = 383050080.

The previous prime is 520677307. The next prime is 520677337. The reversal of 520677311 is 113776025.

It is not a de Polignac number, because 520677311 - 22 = 520677307 is a prime.

It is a super-2 number, since 2×5206773112 = 542209724380381442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520677341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 700406 + ... + 701148.

It is an arithmetic number, because the mean of its divisors is an integer number (21427200).

Almost surely, 2520677311 is an apocalyptic number.

520677311 is a deficient number, since it is larger than the sum of its proper divisors (164993089).

520677311 is a wasteful number, since it uses less digits than its factorization.

520677311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 520677311 is about 22818.3546952886. The cubic root of 520677311 is about 804.4941389309.

The spelling of 520677311 in words is "five hundred twenty million, six hundred seventy-seven thousand, three hundred eleven".

Divisors: 1 7 11 19 77 133 209 479 743 1463 3353 5201 5269 8173 9101 14117 36883 57211 63707 98819 100111 155287 355897 700777 1087009 2491279 3914867 6762043 27404069 47334301 74382473 520677311