Base | Representation |
---|---|
bin | 10001000100110… |
… | …111101000110101 |
3 | 201222002011012221 |
4 | 101010313220311 |
5 | 1041320123031 |
6 | 44232242341 |
7 | 10046055211 |
oct | 2104675065 |
9 | 658064187 |
10 | 286489141 |
11 | 137796594 |
12 | 7bb403b1 |
13 | 4747a203 |
14 | 2a097941 |
15 | 1a240a11 |
hex | 11137a35 |
286489141 has 4 divisors (see below), whose sum is σ = 287630784. Its totient is φ = 285347500.
The previous prime is 286489109. The next prime is 286489193. The reversal of 286489141 is 141984682.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 286489141 - 25 = 286489109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286486141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570445 + ... + 570946.
It is an arithmetic number, because the mean of its divisors is an integer number (71907696).
Almost surely, 2286489141 is an apocalyptic number.
It is an amenable number.
286489141 is a deficient number, since it is larger than the sum of its proper divisors (1141643).
286489141 is a wasteful number, since it uses less digits than its factorization.
286489141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1141642.
The product of its digits is 110592, while the sum is 43.
The square root of 286489141 is about 16925.9901039791. The cubic root of 286489141 is about 659.2286220628.
The spelling of 286489141 in words is "two hundred eighty-six million, four hundred eighty-nine thousand, one hundred forty-one".
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