Search a number
-
+
774281093 is a prime number
BaseRepresentation
bin101110001001101…
…001011110000101
31222221221112222112
4232021221132011
53041203443333
6204455310405
725121165165
oct5611513605
91887845875
10774281093
11368074933
1219737b405
13c45496c1
1474b925a5
1547e96948
hex2e269785

774281093 has 2 divisors, whose sum is σ = 774281094. Its totient is φ = 774281092.

The previous prime is 774281083. The next prime is 774281191. The reversal of 774281093 is 390182477.

774281093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 745999969 + 28281124 = 27313^2 + 5318^2 .

It is a cyclic number.

It is not a de Polignac number, because 774281093 - 216 = 774215557 is a prime.

It is a super-2 number, since 2×7742810932 = 1199022421954549298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 774281093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774281003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387140546 + 387140547.

It is an arithmetic number, because the mean of its divisors is an integer number (387140547).

Almost surely, 2774281093 is an apocalyptic number.

It is an amenable number.

774281093 is a deficient number, since it is larger than the sum of its proper divisors (1).

774281093 is an equidigital number, since it uses as much as digits as its factorization.

774281093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 774281093 is about 27825.9068675219. The cubic root of 774281093 is about 918.2611662252.

The spelling of 774281093 in words is "seven hundred seventy-four million, two hundred eighty-one thousand, ninety-three".