Base | Representation |
---|---|
bin | 1010000100100… |
… | …10010001000101 |
3 | 12212222021220002 |
4 | 11002102101011 |
5 | 133112011224 |
6 | 12214451045 |
7 | 2044053335 |
oct | 502222105 |
9 | 185867802 |
10 | 84485189 |
11 | 43764a78 |
12 | 24363a85 |
13 | 14670a49 |
14 | b3130c5 |
15 | 763c9ae |
hex | 5092445 |
84485189 has 8 divisors (see below), whose sum is σ = 89952408. Its totient is φ = 79073280.
The previous prime is 84485143. The next prime is 84485209. The reversal of 84485189 is 98158448.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 616225 + 83868964 = 785^2 + 9158^2 .
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 84485189 - 224 = 67707973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84487189) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10652 + ... + 16805.
It is an arithmetic number, because the mean of its divisors is an integer number (11244051).
Almost surely, 284485189 is an apocalyptic number.
It is an amenable number.
84485189 is a deficient number, since it is larger than the sum of its proper divisors (5467219).
84485189 is a wasteful number, since it uses less digits than its factorization.
84485189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27655.
The product of its digits is 368640, while the sum is 47.
The square root of 84485189 is about 9191.5825079254. The cubic root of 84485189 is about 438.7935078052.
The spelling of 84485189 in words is "eighty-four million, four hundred eighty-five thousand, one hundred eighty-nine".
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