Base | Representation |
---|---|
bin | 10001000101000… |
… | …011000110010000 |
3 | 201222011112121102 |
4 | 101011003012100 |
5 | 1041323123310 |
6 | 44233243532 |
7 | 10046342105 |
oct | 2105030620 |
9 | 658145542 |
10 | 286536080 |
11 | 137818886 |
12 | 7bb635a8 |
13 | 4749569c |
14 | 2a0aaaac |
15 | 1a24e8a5 |
hex | 11143190 |
286536080 has 20 divisors (see below), whose sum is σ = 666196572. Its totient is φ = 114614400.
The previous prime is 286536079. The next prime is 286536113. The reversal of 286536080 is 80635682.
It can be written as a sum of positive squares in 2 ways, for example, as 174345616 + 112190464 = 13204^2 + 10592^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790771 + ... + 1790930.
Almost surely, 2286536080 is an apocalyptic number.
286536080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
286536080 is an abundant number, since it is smaller than the sum of its proper divisors (379660492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286536080 is a wasteful number, since it uses less digits than its factorization.
286536080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3581714 (or 3581708 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 38.
The square root of 286536080 is about 16927.3766425870. The cubic root of 286536080 is about 659.2646232440.
The spelling of 286536080 in words is "two hundred eighty-six million, five hundred thirty-six thousand, eighty".
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