Base | Representation |
---|---|
bin | 11111011110001… |
… | …011110011101100 |
3 | 1100210112111120212 |
4 | 133132023303230 |
5 | 2040132201010 |
6 | 124221001552 |
7 | 16040660126 |
oct | 3736136354 |
9 | 1323474525 |
10 | 528006380 |
11 | 251056010 |
12 | 1289b32b8 |
13 | 8550c815 |
14 | 501a6216 |
15 | 3154b505 |
hex | 1f78bcec |
528006380 has 48 divisors (see below), whose sum is σ = 1216694304. Its totient is φ = 190878720.
The previous prime is 528006359. The next prime is 528006419. The reversal of 528006380 is 83600825.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31124 + ... + 44996.
It is an arithmetic number, because the mean of its divisors is an integer number (25347798).
Almost surely, 2528006380 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 528006380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608347152).
528006380 is an abundant number, since it is smaller than the sum of its proper divisors (688687924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
528006380 is a wasteful number, since it uses less digits than its factorization.
528006380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14066 (or 14064 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 528006380 is about 22978.3894126634. The cubic root of 528006380 is about 808.2512595547.
The spelling of 528006380 in words is "five hundred twenty-eight million, six thousand, three hundred eighty".
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