Base | Representation |
---|---|
bin | 1000101110110001010 |
3 | 112112102221 |
4 | 1011312022 |
5 | 33123330 |
6 | 10044254 |
7 | 2301040 |
oct | 1056612 |
9 | 475387 |
10 | 286090 |
11 | 185a42 |
12 | 11968a |
13 | a02ac |
14 | 76390 |
15 | 59b7a |
hex | 45d8a |
286090 has 32 divisors (see below), whose sum is σ = 607104. Its totient is φ = 95040.
The previous prime is 286073. The next prime is 286103. The reversal of 286090 is 90682.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4237 + ... + 4303.
It is an arithmetic number, because the mean of its divisors is an integer number (18972).
2286090 is an apocalyptic number.
286090 is an abundant number, since it is smaller than the sum of its proper divisors (321014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286090 is a wasteful number, since it uses less digits than its factorization.
286090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 286090 is about 534.8738168952. The cubic root of 286090 is about 65.8922330683.
The spelling of 286090 in words is "two hundred eighty-six thousand, ninety".
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