Base | Representation |
---|---|
bin | 11111011111001… |
… | …101100101110001 |
3 | 1100211001012012022 |
4 | 133133031211301 |
5 | 2040214311300 |
6 | 124230441225 |
7 | 16043161520 |
oct | 3737154561 |
9 | 1324035168 |
10 | 528275825 |
11 | 25121a4a0 |
12 | 128b03215 |
13 | 855a535c |
14 | 502364b7 |
15 | 315a1285 |
hex | 1f7cd971 |
528275825 has 48 divisors (see below), whose sum is σ = 838886784. Its totient is φ = 320371200.
The previous prime is 528275821. The next prime is 528275843. The reversal of 528275825 is 528572825.
It is not a de Polignac number, because 528275825 - 22 = 528275821 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (528275821) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 67517 + ... + 74933.
It is an arithmetic number, because the mean of its divisors is an integer number (17476808).
Almost surely, 2528275825 is an apocalyptic number.
528275825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
528275825 is a deficient number, since it is larger than the sum of its proper divisors (310610959).
528275825 is a wasteful number, since it uses less digits than its factorization.
528275825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7482 (or 7477 counting only the distinct ones).
The product of its digits is 448000, while the sum is 44.
The square root of 528275825 is about 22984.2516737004. The cubic root of 528275825 is about 808.3887214205.
The spelling of 528275825 in words is "five hundred twenty-eight million, two hundred seventy-five thousand, eight hundred twenty-five".
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