Base | Representation |
---|---|
bin | 10001000101100… |
… | …110100001110001 |
3 | 201222102220200021 |
4 | 101011212201301 |
5 | 1041342244301 |
6 | 44240323441 |
7 | 10050515152 |
oct | 2105464161 |
9 | 658386607 |
10 | 286681201 |
11 | 137907914 |
12 | 80013581 |
13 | 47516761 |
14 | 2a107929 |
15 | 1a27c8a1 |
hex | 11166871 |
286681201 has 8 divisors (see below), whose sum is σ = 289059008. Its totient is φ = 284310000.
The previous prime is 286681189. The next prime is 286681229. The reversal of 286681201 is 102186682.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 7-Lehmer number, since φ(286681201) divides (286681201-1)7.
It is a cyclic number.
It is not a de Polignac number, because 286681201 - 221 = 284584049 is a prime.
It is a super-2 number, since 2×2866812012 = 164372222013604802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (286681231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121291 + ... + 123631.
It is an arithmetic number, because the mean of its divisors is an integer number (36132376).
Almost surely, 2286681201 is an apocalyptic number.
286681201 is the 9776-th hex number.
It is an amenable number.
286681201 is a deficient number, since it is larger than the sum of its proper divisors (2377807).
286681201 is a wasteful number, since it uses less digits than its factorization.
286681201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3303.
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 286681201 is about 16931.6626767722. The cubic root of 286681201 is about 659.3759029988.
The spelling of 286681201 in words is "two hundred eighty-six million, six hundred eighty-one thousand, two hundred one".
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