Base | Representation |
---|---|
bin | 1010000001010… |
… | …11101101110001 |
3 | 12212011221200121 |
4 | 11000223231301 |
5 | 133010041022 |
6 | 12201450241 |
7 | 2040353602 |
oct | 500535561 |
9 | 185157617 |
10 | 84065137 |
11 | 434a8422 |
12 | 241a0981 |
13 | 145547b0 |
14 | b243da9 |
15 | 75a82c7 |
hex | 502bb71 |
84065137 has 16 divisors (see below), whose sum is σ = 92619072. Its totient is φ = 75827520.
The previous prime is 84065123. The next prime is 84065141. The reversal of 84065137 is 73156048.
It is a cyclic number.
It is not a de Polignac number, because 84065137 - 215 = 84032369 is a prime.
It is not an unprimeable number, because it can be changed into a prime (84065117) 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 15 ways as a sum of consecutive naturals, for example, 179778 + ... + 180244.
It is an arithmetic number, because the mean of its divisors is an integer number (5788692).
Almost surely, 284065137 is an apocalyptic number.
It is an amenable number.
84065137 is a deficient number, since it is larger than the sum of its proper divisors (8553935).
84065137 is a wasteful number, since it uses less digits than its factorization.
84065137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 768.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 84065137 is about 9168.7042159729. The cubic root of 84065137 is about 438.0650866212.
The spelling of 84065137 in words is "eighty-four million, sixty-five thousand, one hundred thirty-seven".
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