Base | Representation |
---|---|
bin | 1010001001111… |
… | …10000111110011 |
3 | 12221022001111010 |
4 | 11010332013303 |
5 | 133302022412 |
6 | 12241522003 |
7 | 2053044513 |
oct | 504760763 |
9 | 187261433 |
10 | 85189107 |
11 | 440a5923 |
12 | 24643303 |
13 | 14859273 |
14 | b457843 |
15 | 772b33c |
hex | 513e1f3 |
85189107 has 4 divisors (see below), whose sum is σ = 113585480. Its totient is φ = 56792736.
The previous prime is 85189099. The next prime is 85189127. The reversal of 85189107 is 70198158.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 85189107 - 23 = 85189099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85189127) 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, 14198182 + ... + 14198187.
It is an arithmetic number, because the mean of its divisors is an integer number (28396370).
Almost surely, 285189107 is an apocalyptic number.
85189107 is a deficient number, since it is larger than the sum of its proper divisors (28396373).
85189107 is a wasteful number, since it uses less digits than its factorization.
85189107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28396372.
The product of its (nonzero) digits is 20160, while the sum is 39.
The square root of 85189107 is about 9229.7945264237. The cubic root of 85189107 is about 440.0087928684.
The spelling of 85189107 in words is "eighty-five million, one hundred eighty-nine thousand, one hundred seven".
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