Search a number
-
+
286923226 = 21271129619
BaseRepresentation
bin10001000110100…
…001100111011010
3201222220012200011
4101012201213122
51041423020401
644245432134
710052543602
oct2106414732
9658805604
10286923226
11137a62737
128010b64a
134759c975
142a16bc02
151a2c9451
hex111a19da

286923226 has 8 divisors (see below), whose sum is σ = 433774080. Its totient is φ = 142331868.

The previous prime is 286923209. The next prime is 286923227. The reversal of 286923226 is 622329682.

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

It is not an unprimeable number, because it can be changed into a prime (286923227) 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 3 ways as a sum of consecutive naturals, for example, 564556 + ... + 565063.

It is an arithmetic number, because the mean of its divisors is an integer number (54221760).

Almost surely, 2286923226 is an apocalyptic number.

286923226 is a deficient number, since it is larger than the sum of its proper divisors (146850854).

286923226 is a wasteful number, since it uses less digits than its factorization.

286923226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129748.

The product of its digits is 124416, while the sum is 40.

The square root of 286923226 is about 16938.8082815764. The cubic root of 286923226 is about 659.5614058785.

The spelling of 286923226 in words is "two hundred eighty-six million, nine hundred twenty-three thousand, two hundred twenty-six".

Divisors: 1 2 127 254 1129619 2259238 143461613 286923226