Base | Representation |
---|---|
bin | 1010001011010… |
… | …10000101111010 |
3 | 12221122012112121 |
4 | 11011222011322 |
5 | 133323303320 |
6 | 12245431454 |
7 | 2054424553 |
oct | 505520572 |
9 | 187565477 |
10 | 85369210 |
11 | 44209173 |
12 | 2470b58a |
13 | 148c0234 |
14 | b4a332a |
15 | 77648aa |
hex | 516a17a |
85369210 has 8 divisors (see below), whose sum is σ = 153664596. Its totient is φ = 34147680.
The previous prime is 85369187. The next prime is 85369211. The reversal of 85369210 is 1296358.
It can be written as a sum of positive squares in 2 ways, for example, as 76790169 + 8579041 = 8763^2 + 2929^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (85369211) 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 3 ways as a sum of consecutive naturals, for example, 4268451 + ... + 4268470.
Almost surely, 285369210 is an apocalyptic number.
85369210 is a deficient number, since it is larger than the sum of its proper divisors (68295386).
85369210 is a wasteful number, since it uses less digits than its factorization.
85369210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8536928.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 85369210 is about 9239.5459845168. The cubic root of 85369210 is about 440.3186569076.
The spelling of 85369210 in words is "eighty-five million, three hundred sixty-nine thousand, two hundred ten".
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