Base | Representation |
---|---|
bin | 11111011111100… |
… | …010010100010101 |
3 | 1100211012111122202 |
4 | 133133202110111 |
5 | 2040230020400 |
6 | 124232334245 |
7 | 16043664164 |
oct | 3737422425 |
9 | 1324174582 |
10 | 528360725 |
11 | 251278262 |
12 | 128b44385 |
13 | 85604ba9 |
14 | 502593db |
15 | 315bb4d5 |
hex | 1f7e2515 |
528360725 has 12 divisors (see below), whose sum is σ = 656963904. Its totient is φ = 421529520.
The previous prime is 528360719. The next prime is 528360739. The reversal of 528360725 is 527063825.
It is not a de Polignac number, because 528360725 - 210 = 528359701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19619 + ... + 37968.
It is an arithmetic number, because the mean of its divisors is an integer number (54746992).
Almost surely, 2528360725 is an apocalyptic number.
It is an amenable number.
528360725 is a deficient number, since it is larger than the sum of its proper divisors (128603179).
528360725 is a wasteful number, since it uses less digits than its factorization.
528360725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57964 (or 57959 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 38.
The square root of 528360725 is about 22986.0985162772. The cubic root of 528360725 is about 808.4320248886.
The spelling of 528360725 in words is "five hundred twenty-eight million, three hundred sixty thousand, seven hundred twenty-five".
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