Base | Representation |
---|---|
bin | 1010001001111… |
… | …10001011100001 |
3 | 12221022001210221 |
4 | 11010332023201 |
5 | 133302024340 |
6 | 12241523041 |
7 | 2053045303 |
oct | 504761341 |
9 | 187261727 |
10 | 85189345 |
11 | 440a601a |
12 | 24643481 |
13 | 148593c7 |
14 | b457973 |
15 | 772b44a |
hex | 513e2e1 |
85189345 has 8 divisors (see below), whose sum is σ = 102686976. Its totient is φ = 67844976.
The previous prime is 85189339. The next prime is 85189381. The reversal of 85189345 is 54398158.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85189345 - 23 = 85189337 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 37087 + ... + 39316.
It is an arithmetic number, because the mean of its divisors is an integer number (12835872).
Almost surely, 285189345 is an apocalyptic number.
It is an amenable number.
85189345 is a deficient number, since it is larger than the sum of its proper divisors (17497631).
85189345 is a wasteful number, since it uses less digits than its factorization.
85189345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76631.
The product of its digits is 172800, while the sum is 43.
The square root of 85189345 is about 9229.8074194427. The cubic root of 85189345 is about 440.0092026312.
The spelling of 85189345 in words is "eighty-five million, one hundred eighty-nine thousand, three hundred forty-five".
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