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520269120 = 263257131197
BaseRepresentation
bin11111000000101…
…010110101000000
31100020222102001200
4133000222311000
52031142102440
6123343101200
715615133410
oct3700526500
91306872050
10520269120
11247750988
121262a1800
1383a30b67
144d150640
1530a1dc30
hex1f02ad40

520269120 has 336 divisors, whose sum is σ = 2071225728. Its totient is φ = 117411840.

The previous prime is 520269107. The next prime is 520269121. The reversal of 520269120 is 21962025.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520269121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2640862 + ... + 2641058.

Almost surely, 2520269120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520269120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035612864).

520269120 is an abundant number, since it is smaller than the sum of its proper divisors (1550956608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520269120 is a wasteful number, since it uses less digits than its factorization.

520269120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 520269120 is about 22809.4085850554. The cubic root of 520269120 is about 804.2838531410.

The spelling of 520269120 in words is "five hundred twenty million, two hundred sixty-nine thousand, one hundred twenty".