Search a number
-
+
227989373 is a prime number
BaseRepresentation
bin11011001011011…
…01011101111101
3120220000001121212
431211231131331
5431331124443
634342334205
75435610023
oct1545553575
9526001555
10227989373
1110776a877
126442a365
1338307071
14223ca713
1515037618
hexd96d77d

227989373 has 2 divisors, whose sum is σ = 227989374. Its totient is φ = 227989372.

The previous prime is 227989369. The next prime is 227989403. The reversal of 227989373 is 373989722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132204004 + 95785369 = 11498^2 + 9787^2 .

It is a cyclic number.

It is not a de Polignac number, because 227989373 - 22 = 227989369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227989343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113994686 + 113994687.

It is an arithmetic number, because the mean of its divisors is an integer number (113994687).

Almost surely, 2227989373 is an apocalyptic number.

It is an amenable number.

227989373 is a deficient number, since it is larger than the sum of its proper divisors (1).

227989373 is an equidigital number, since it uses as much as digits as its factorization.

227989373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 227989373 is about 15099.3169713070. The cubic root of 227989373 is about 610.9019828250.

The spelling of 227989373 in words is "two hundred twenty-seven million, nine hundred eighty-nine thousand, three hundred seventy-three".