Base | Representation |
---|---|
bin | 10001000101110… |
… | …001100001100001 |
3 | 201222112012110102 |
4 | 101011301201201 |
5 | 1041400214431 |
6 | 44241312145 |
7 | 10051063364 |
oct | 2105614141 |
9 | 658465412 |
10 | 286726241 |
11 | 13793873a |
12 | 80035655 |
13 | 475310c9 |
14 | 2a11a0db |
15 | 1a28adcb |
hex | 11171861 |
286726241 has 4 divisors (see below), whose sum is σ = 286810800. Its totient is φ = 286641684.
The previous prime is 286726201. The next prime is 286726259. The reversal of 286726241 is 142627682.
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 286726241 - 222 = 282531937 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 286726195 and 286726204.
It is not an unprimeable number, because it can be changed into a prime (286726201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36971 + ... + 44048.
It is an arithmetic number, because the mean of its divisors is an integer number (71702700).
Almost surely, 2286726241 is an apocalyptic number.
It is an amenable number.
286726241 is a deficient number, since it is larger than the sum of its proper divisors (84559).
286726241 is an equidigital number, since it uses as much as digits as its factorization.
286726241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84558.
The product of its digits is 64512, while the sum is 38.
The square root of 286726241 is about 16932.9926770196. The cubic root of 286726241 is about 659.4104323360.
The spelling of 286726241 in words is "two hundred eighty-six million, seven hundred twenty-six thousand, two hundred forty-one".
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