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520332000 = 25353131331

520332000 has 192 divisors, whose sum is σ = 1722809088. Its totient is φ = 137280000.

The previous prime is 520331951. The next prime is 520332017. The reversal of 520332000 is 233025.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1571835 + ... + 1572165.

It is an arithmetic number, because the mean of its divisors is an integer number (8972964).

Almost surely, 2520332000 is an apocalyptic number.

520332000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861404544).

520332000 is an abundant number, since it is smaller than the sum of its proper divisors (1202477088).

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

520332000 is a wasteful number, since it uses less digits than its factorization.

520332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 520332000 is about 22810.7869219806. The cubic root of 520332000 is about 804.3162538925.

Adding to 520332000 its reverse (233025), we get a palindrome (520565025).

It can be divided in two parts, 520 and 332000, that added together give a triangular number (332520 = T815).

The spelling of 520332000 in words is "five hundred twenty million, three hundred thirty-two thousand".