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520295684 = 22130073921
BaseRepresentation
bin11111000000110…
…001010100000100
31100021000202111112
4133000301110010
52031143430214
6123343424152
715615304016
oct3700612404
91307022445
10520295684
11247769937
121262b5058
1383a3cc8c
144d15a1b6
1530a26a3e
hex1f031504

520295684 has 6 divisors (see below), whose sum is σ = 910517454. Its totient is φ = 260147840.

The previous prime is 520295683. The next prime is 520295701. The reversal of 520295684 is 486592025.

It can be written as a sum of positive squares in only one way, i.e., 489736900 + 30558784 = 22130^2 + 5528^2 .

It is not an unprimeable number, because it can be changed into a prime (520295683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65036957 + ... + 65036964.

It is an arithmetic number, because the mean of its divisors is an integer number (151752909).

Almost surely, 2520295684 is an apocalyptic number.

It is an amenable number.

520295684 is a deficient number, since it is larger than the sum of its proper divisors (390221770).

520295684 is a wasteful number, since it uses less digits than its factorization.

520295684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130073925 (or 130073923 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 520295684 is about 22809.9908811906. The cubic root of 520295684 is about 804.2975413342.

The spelling of 520295684 in words is "five hundred twenty million, two hundred ninety-five thousand, six hundred eighty-four".

Divisors: 1 2 4 130073921 260147842 520295684