Search a number
-
+
286010081 = 771575473
BaseRepresentation
bin10001000011000…
…010101011100001
3201221011211001222
4101003002223201
51041204310311
644214104425
710042021430
oct2103025341
9657154058
10286010081
11137499675
127b94b115
1347340146
1429db1117
151a198adb
hex110c2ae1

286010081 has 8 divisors (see below), whose sum is σ = 331473024. Its totient is φ = 241698240.

The previous prime is 286010077. The next prime is 286010117. The reversal of 286010081 is 180010682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 286010081 - 22 = 286010077 is a prime.

It is a super-2 number, since 2×2860100812 = 163603532867253122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 286010081.

It is not an unprimeable number, because it can be changed into a prime (286010041) 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 7 ways as a sum of consecutive naturals, for example, 287240 + ... + 288233.

It is an arithmetic number, because the mean of its divisors is an integer number (41434128).

Almost surely, 2286010081 is an apocalyptic number.

It is an amenable number.

286010081 is a deficient number, since it is larger than the sum of its proper divisors (45462943).

286010081 is an equidigital number, since it uses as much as digits as its factorization.

286010081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575551.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 286010081 is about 16911.8325736746. The cubic root of 286010081 is about 658.8609685033.

The spelling of 286010081 in words is "two hundred eighty-six million, ten thousand, eighty-one".

Divisors: 1 7 71 497 575473 4028311 40858583 286010081