Base | Representation |
---|---|
bin | 1010010001001… |
… | …01111001111000 |
3 | 20000002021210101 |
4 | 11020211321320 |
5 | 134022412423 |
6 | 12314125144 |
7 | 2064110422 |
oct | 510457170 |
9 | 200067711 |
10 | 86138488 |
11 | 44694137 |
12 | 24a207b4 |
13 | 14acc427 |
14 | b623812 |
15 | 78677ad |
hex | 5225e78 |
86138488 has 16 divisors (see below), whose sum is σ = 163079280. Its totient is φ = 42650688.
The previous prime is 86138453. The next prime is 86138489. The reversal of 86138488 is 88483168.
It is a super-2 number, since 2×861384882 = 14839678229852288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86138489) 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 3 ways as a sum of consecutive naturals, for example, 51445 + ... + 53092.
It is an arithmetic number, because the mean of its divisors is an integer number (10192455).
Almost surely, 286138488 is an apocalyptic number.
It is an amenable number.
86138488 is a deficient number, since it is larger than the sum of its proper divisors (76940792).
86138488 is a wasteful number, since it uses less digits than its factorization.
86138488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104646 (or 104642 counting only the distinct ones).
The product of its digits is 294912, while the sum is 46.
The square root of 86138488 is about 9281.0822644776. The cubic root of 86138488 is about 441.6373020151.
The spelling of 86138488 in words is "eighty-six million, one hundred thirty-eight thousand, four hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •