Base | Representation |
---|---|
bin | 1010000010110… |
… | …11010010111001 |
3 | 12212112212000200 |
4 | 11001123102321 |
5 | 133032310100 |
6 | 12205552413 |
7 | 2042125023 |
oct | 501332271 |
9 | 185485020 |
10 | 84260025 |
11 | 43620893 |
12 | 24275709 |
13 | 145c2405 |
14 | b295013 |
15 | 75e5e00 |
hex | 505b4b9 |
84260025 has 36 divisors (see below), whose sum is σ = 151826220. Its totient is φ = 44668800.
The previous prime is 84260021. The next prime is 84260047. The reversal of 84260025 is 52006248.
It can be written as a sum of positive squares in 6 ways, for example, as 32592681 + 51667344 = 5709^2 + 7188^2 .
It is not a de Polignac number, because 84260025 - 22 = 84260021 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84260021) by changing a digit.
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 35 ways as a sum of consecutive naturals, for example, 39691 + ... + 41759.
It is an arithmetic number, because the mean of its divisors is an integer number (4217395).
Almost surely, 284260025 is an apocalyptic number.
It is an amenable number.
84260025 is a deficient number, since it is larger than the sum of its proper divisors (67566195).
84260025 is a wasteful number, since it uses less digits than its factorization.
84260025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2266 (or 2258 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 84260025 is about 9179.3259556462. The cubic root of 84260025 is about 438.4033470966.
The spelling of 84260025 in words is "eighty-four million, two hundred sixty thousand, twenty-five".
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