Base | Representation |
---|---|
bin | 1010010000101… |
… | …11010000000110 |
3 | 12222222020110111 |
4 | 11020113100012 |
5 | 134014002340 |
6 | 12312543234 |
7 | 2063440432 |
oct | 510272006 |
9 | 188866414 |
10 | 86078470 |
11 | 44653035 |
12 | 249b1b1a |
13 | 14aab00a |
14 | b6099c2 |
15 | 7854aea |
hex | 5217406 |
86078470 has 32 divisors (see below), whose sum is σ = 158161248. Its totient is φ = 33723648.
The previous prime is 86078459. The next prime is 86078471. The reversal of 86078470 is 7487068.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86078471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113332 + ... + 114088.
It is an arithmetic number, because the mean of its divisors is an integer number (4942539).
Almost surely, 286078470 is an apocalyptic number.
86078470 is a deficient number, since it is larger than the sum of its proper divisors (72082778).
86078470 is a wasteful number, since it uses less digits than its factorization.
86078470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 984.
The product of its (nonzero) digits is 75264, while the sum is 40.
The square root of 86078470 is about 9277.8483496983. The cubic root of 86078470 is about 441.5347061962.
The spelling of 86078470 in words is "eighty-six million, seventy-eight thousand, four hundred seventy".
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