Base | Representation |
---|---|
bin | 1010001101001… |
… | …00101001000110 |
3 | 12222002101111211 |
4 | 11012210221012 |
5 | 133403442110 |
6 | 12254522034 |
7 | 2056444003 |
oct | 506445106 |
9 | 188071454 |
10 | 85609030 |
11 | 44362371 |
12 | 2480631a |
13 | 14975440 |
14 | b5268aa |
15 | 77b098a |
hex | 51a4a46 |
85609030 has 32 divisors (see below), whose sum is σ = 166789728. Its totient is φ = 31449600.
The previous prime is 85609021. The next prime is 85609037. The reversal of 85609030 is 3090658.
It is a junction number, because it is equal to n+sod(n) for n = 85608983 and 85609001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85609037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25870 + ... + 28990.
It is an arithmetic number, because the mean of its divisors is an integer number (5212179).
Almost surely, 285609030 is an apocalyptic number.
85609030 is a deficient number, since it is larger than the sum of its proper divisors (81180698).
85609030 is a wasteful number, since it uses less digits than its factorization.
85609030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3352.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 85609030 is about 9252.5147932873. The cubic root of 85609030 is about 440.7305872072.
Adding to 85609030 its reverse (3090658), we get a palindrome (88699688).
The spelling of 85609030 in words is "eighty-five million, six hundred nine thousand, thirty".
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