Search a number
-
+
1828930769 is a prime number
BaseRepresentation
bin110110100000011…
…0100010011010001
311201110110022100122
41231000310103101
512221201241034
6501252200025
763215440451
oct15500642321
94643408318
101828930769
11859424836
12430609015
13231bac473
14134c87d61
15aa87062e
hex6d0344d1

1828930769 has 2 divisors, whose sum is σ = 1828930770. Its totient is φ = 1828930768.

The previous prime is 1828930717. The next prime is 1828930783. The reversal of 1828930769 is 9670398281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1682230225 + 146700544 = 41015^2 + 12112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1828930769 is a prime.

It is a super-2 number, since 2×18289307692 = 6689975515589862722, 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 1828930769.

It is not a weakly prime, because it can be changed into another prime (1828930469) 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, 914465384 + 914465385.

It is an arithmetic number, because the mean of its divisors is an integer number (914465385).

Almost surely, 21828930769 is an apocalyptic number.

It is an amenable number.

1828930769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828930769 is an equidigital number, since it uses as much as digits as its factorization.

1828930769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 1828930769 is about 42766.0001519899. Note that the first 3 decimals coincide. The cubic root of 1828930769 is about 1222.9229317183.

The spelling of 1828930769 in words is "one billion, eight hundred twenty-eight million, nine hundred thirty thousand, seven hundred sixty-nine".