Base | Representation |
---|---|
bin | 10001000101100… |
… | …100010010101111 |
3 | 201222102110010020 |
4 | 101011210102233 |
5 | 1041342001142 |
6 | 44240213223 |
7 | 10050446364 |
oct | 2105442257 |
9 | 658373106 |
10 | 286672047 |
11 | 137900a52 |
12 | 8000a213 |
13 | 4751253c |
14 | 2a10446b |
15 | 1a279cec |
hex | 111644af |
286672047 has 16 divisors (see below), whose sum is σ = 397164000. Its totient is φ = 183705984.
The previous prime is 286672031. The next prime is 286672049. The reversal of 286672047 is 740276682.
It is not a de Polignac number, because 286672047 - 24 = 286672031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286672049) 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 15 ways as a sum of consecutive naturals, for example, 12729 + ... + 27117.
It is an arithmetic number, because the mean of its divisors is an integer number (24822750).
Almost surely, 2286672047 is an apocalyptic number.
286672047 is a deficient number, since it is larger than the sum of its proper divisors (110491953).
286672047 is a wasteful number, since it uses less digits than its factorization.
286672047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14650.
The product of its (nonzero) digits is 225792, while the sum is 42.
The square root of 286672047 is about 16931.3923526685. The cubic root of 286672047 is about 659.3688847602.
The spelling of 286672047 in words is "two hundred eighty-six million, six hundred seventy-two thousand, forty-seven".
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