Search a number
-
+
286223366 = 211134672143
BaseRepresentation
bin10001000011110…
…110110000000110
3201221120122122102
4101003312300012
51041233121431
644222432102
710043600312
oct2103666006
9657518572
10286223366
11137624940
127ba32632
13473b6250
142a028b42
151a1dbdcb
hex110f6c06

286223366 has 32 divisors (see below), whose sum is σ = 505709568. Its totient is φ = 119780640.

The previous prime is 286223363. The next prime is 286223381. The reversal of 286223366 is 663322682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286223363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132491 + ... + 134633.

It is an arithmetic number, because the mean of its divisors is an integer number (15803424).

Almost surely, 2286223366 is an apocalyptic number.

286223366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

286223366 is a deficient number, since it is larger than the sum of its proper divisors (219486202).

286223366 is a wasteful number, since it uses less digits than its factorization.

286223366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636.

The product of its digits is 124416, while the sum is 38.

The square root of 286223366 is about 16918.1371906011. The cubic root of 286223366 is about 659.0247042763.

The spelling of 286223366 in words is "two hundred eighty-six million, two hundred twenty-three thousand, three hundred sixty-six".

Divisors: 1 2 11 13 22 26 143 286 467 934 2143 4286 5137 6071 10274 12142 23573 27859 47146 55718 66781 133562 306449 612898 1000781 2001562 11008591 13010153 22017182 26020306 143111683 286223366