Search a number
-
+
1068392461 is a prime number
BaseRepresentation
bin111111101011100…
…110000000001101
32202110100221221011
4333223212000031
54142002024321
6254003205221
735322120553
oct7753460015
92673327834
101068392461
114a9097084
12259976811
131404650b6
14a1c71bd3
1563be0ae1
hex3fae600d

1068392461 has 2 divisors, whose sum is σ = 1068392462. Its totient is φ = 1068392460.

The previous prime is 1068392441. The next prime is 1068392483. The reversal of 1068392461 is 1642938601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042321225 + 26071236 = 32285^2 + 5106^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068392461 - 225 = 1034838029 is a prime.

It is a super-2 number, since 2×10683924612 = 2282924901443273042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068392441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534196230 + 534196231.

It is an arithmetic number, because the mean of its divisors is an integer number (534196231).

Almost surely, 21068392461 is an apocalyptic number.

It is an amenable number.

1068392461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068392461 is an equidigital number, since it uses as much as digits as its factorization.

1068392461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1068392461 is about 32686.2732809967. The cubic root of 1068392461 is about 1022.2966514756.

The spelling of 1068392461 in words is "one billion, sixty-eight million, three hundred ninety-two thousand, four hundred sixty-one".