Search a number
-
+
227704973 is a prime number
BaseRepresentation
bin11011001001010…
…00000010001101
3120212110121111112
431210220002031
5431243024343
634332301405
75433313616
oct1544500215
9525417445
10227704973
11107596131
1264311865
1338237792
1422354c0d
1514ecd218
hexd92808d

227704973 has 2 divisors, whose sum is σ = 227704974. Its totient is φ = 227704972.

The previous prime is 227704943. The next prime is 227704979. The reversal of 227704973 is 379407722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203861284 + 23843689 = 14278^2 + 4883^2 .

It is a cyclic number.

It is not a de Polignac number, because 227704973 - 214 = 227688589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227704973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227704979) by changing a digit.

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 as a sum of consecutive naturals, namely, 113852486 + 113852487.

It is an arithmetic number, because the mean of its divisors is an integer number (113852487).

Almost surely, 2227704973 is an apocalyptic number.

It is an amenable number.

227704973 is a deficient number, since it is larger than the sum of its proper divisors (1).

227704973 is an equidigital number, since it uses as much as digits as its factorization.

227704973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 227704973 is about 15089.8963879809. The cubic root of 227704973 is about 610.6478586750.

The spelling of 227704973 in words is "two hundred twenty-seven million, seven hundred four thousand, nine hundred seventy-three".