Base | Representation |
---|---|
bin | 1010010001001… |
… | …01110100100001 |
3 | 20000002021022200 |
4 | 11020211310201 |
5 | 134022410040 |
6 | 12314123413 |
7 | 2064106422 |
oct | 510456441 |
9 | 200067280 |
10 | 86138145 |
11 | 44693955 |
12 | 24a20569 |
13 | 14acc222 |
14 | b623649 |
15 | 7867630 |
hex | 5225d21 |
86138145 has 24 divisors (see below), whose sum is σ = 150072000. Its totient is φ = 45704736.
The previous prime is 86138137. The next prime is 86138233. The reversal of 86138145 is 54183168.
It is not a de Polignac number, because 86138145 - 23 = 86138137 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4146 + ... + 13764.
It is an arithmetic number, because the mean of its divisors is an integer number (6253000).
Almost surely, 286138145 is an apocalyptic number.
It is an amenable number.
86138145 is a deficient number, since it is larger than the sum of its proper divisors (63933855).
86138145 is a wasteful number, since it uses less digits than its factorization.
86138145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9829 (or 9826 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 86138145 is about 9281.0637860107. The cubic root of 86138145 is about 441.6367158203.
The spelling of 86138145 in words is "eighty-six million, one hundred thirty-eight thousand, one hundred forty-five".
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