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528347040 = 253513227373
BaseRepresentation
bin11111011111011…
…110111110100000
31100211011210212220
4133133132332200
52040224101130
6124232151040
716043606244
oct3737367640
91324153786
10528347040
11251268a51
12128b38480
13855cb8b0
1450254424
15315b7410
hex1f7defa0

528347040 has 192 divisors, whose sum is σ = 1805037696. Its totient is φ = 129134592.

The previous prime is 528347021. The next prime is 528347077. The reversal of 528347040 is 40743825.

It is a junction number, because it is equal to n+sod(n) for n = 528346992 and 528347010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1416294 + ... + 1416666.

It is an arithmetic number, because the mean of its divisors is an integer number (9401238).

Almost surely, 2528347040 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 528347040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902518848).

528347040 is an abundant number, since it is smaller than the sum of its proper divisors (1276690656).

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

528347040 is a wasteful number, since it uses less digits than its factorization.

528347040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 528347040 is about 22985.8008344282. The cubic root of 528347040 is about 808.4250451320.

The spelling of 528347040 in words is "five hundred twenty-eight million, three hundred forty-seven thousand, forty".