Base | Representation |
---|---|
bin | 1010001010111… |
… | …10101110010010 |
3 | 12221112211122212 |
4 | 11011132232102 |
5 | 133320311032 |
6 | 12244432122 |
7 | 2054142026 |
oct | 505365622 |
9 | 187484585 |
10 | 85322642 |
11 | 44187189 |
12 | 246a8642 |
13 | 148a4c92 |
14 | b490386 |
15 | 7755bb2 |
hex | 515eb92 |
85322642 has 8 divisors (see below), whose sum is σ = 128057916. Its totient is φ = 42636672.
The previous prime is 85322639. The next prime is 85322647. The reversal of 85322642 is 24622358.
It can be written as a sum of positive squares in 2 ways, for example, as 84805681 + 516961 = 9209^2 + 719^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 85322599 and 85322608.
It is not an unprimeable number, because it can be changed into a prime (85322647) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7643 + ... + 15134.
Almost surely, 285322642 is an apocalyptic number.
85322642 is a deficient number, since it is larger than the sum of its proper divisors (42735274).
85322642 is a wasteful number, since it uses less digits than its factorization.
85322642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24652.
The product of its digits is 23040, while the sum is 32.
The square root of 85322642 is about 9237.0256035155. The cubic root of 85322642 is about 440.2385792905.
The spelling of 85322642 in words is "eighty-five million, three hundred twenty-two thousand, six hundred forty-two".
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