Search a number
-
+
226530973 is a prime number
BaseRepresentation
bin11011000000010…
…01011010011101
3120210020222002001
431200021122131
5430442442343
634251202301
75420324104
oct1540113235
9523228061
10226530973
11106964089
1263a46391
1337c162c6
142212b03b
1514d4a44d
hexd80969d

226530973 has 2 divisors, whose sum is σ = 226530974. Its totient is φ = 226530972.

The previous prime is 226530971. The next prime is 226530989. The reversal of 226530973 is 379035622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225660484 + 870489 = 15022^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 226530973 - 21 = 226530971 is a prime.

Together with 226530971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226530971) 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 as a sum of consecutive naturals, namely, 113265486 + 113265487.

It is an arithmetic number, because the mean of its divisors is an integer number (113265487).

Almost surely, 2226530973 is an apocalyptic number.

It is an amenable number.

226530973 is a deficient number, since it is larger than the sum of its proper divisors (1).

226530973 is an equidigital number, since it uses as much as digits as its factorization.

226530973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 226530973 is about 15050.9459171176. The cubic root of 226530973 is about 609.5965916461.

The spelling of 226530973 in words is "two hundred twenty-six million, five hundred thirty thousand, nine hundred seventy-three".