Search a number
-
+
308285226 = 23217126957
BaseRepresentation
bin10010011000000…
…000111100101010
3210111002111211100
4102120000330222
51112410111401
650331342230
710432244514
oct2230007452
9714074740
10308285226
11149023287
12872b1976
134bb3bcc2
142cd2cbb4
151c0e8b86
hex12600f2a

308285226 has 12 divisors (see below), whose sum is σ = 667951362. Its totient is φ = 102761736.

The previous prime is 308285213. The next prime is 308285233. The reversal of 308285226 is 622582803.

It can be written as a sum of positive squares in only one way, i.e., 246647025 + 61638201 = 15705^2 + 7851^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8563461 + ... + 8563496.

Almost surely, 2308285226 is an apocalyptic number.

308285226 is an abundant number, since it is smaller than the sum of its proper divisors (359666136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308285226 is a wasteful number, since it uses less digits than its factorization.

308285226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17126965 (or 17126962 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 308285226 is about 17558.0530241824. The cubic root of 308285226 is about 675.5397427820.

The spelling of 308285226 in words is "three hundred eight million, two hundred eighty-five thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 18 17126957 34253914 51380871 102761742 154142613 308285226