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520386048 = 29327131773
BaseRepresentation
bin11111000001000…
…111011000000000
31100021012100110100
4133001013120000
52031204323143
6123345402400
715616131330
oct3701073000
91307170410
10520386048
11247820816
12126339400
1383a72150
144d1810c0
1530a436d3
hex1f047600

520386048 has 480 divisors, whose sum is σ = 1983998016. Its totient is φ = 127401984.

The previous prime is 520386029. The next prime is 520386073. The reversal of 520386048 is 840683025.

520386048 is a `hidden beast` number, since 520 + 38 + 60 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 7128540 + ... + 7128612.

Almost surely, 2520386048 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 520386048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991999008).

520386048 is an abundant number, since it is smaller than the sum of its proper divisors (1463611968).

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

520386048 is a wasteful number, since it uses less digits than its factorization.

520386048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 520386048 is about 22811.9715938803. The cubic root of 520386048 is about 804.3441016127.

It can be divided in two parts, 5203 and 86048, that multiplied together give a palindrome (447707744).

The spelling of 520386048 in words is "five hundred twenty million, three hundred eighty-six thousand, forty-eight".