Search a number
-
+
1415372389 is a prime number
BaseRepresentation
bin101010001011100…
…1101111001100101
310122122021100220121
41110113031321211
510344313404024
6352240201541
750034316054
oct12427157145
93578240817
101415372389
11666a39252
123360092b1
13197301772
14d5d9439b
15843ce8e4
hex545cde65

1415372389 has 2 divisors, whose sum is σ = 1415372390. Its totient is φ = 1415372388.

The previous prime is 1415372381. The next prime is 1415372419. The reversal of 1415372389 is 9832735141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1399508100 + 15864289 = 37410^2 + 3983^2 .

It is an emirp because it is prime and its reverse (9832735141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1415372389 - 23 = 1415372381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415372381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707686194 + 707686195.

It is an arithmetic number, because the mean of its divisors is an integer number (707686195).

Almost surely, 21415372389 is an apocalyptic number.

It is an amenable number.

1415372389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415372389 is an equidigital number, since it uses as much as digits as its factorization.

1415372389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 1415372389 is about 37621.4352331221. The cubic root of 1415372389 is about 1122.7685517080.

The spelling of 1415372389 in words is "one billion, four hundred fifteen million, three hundred seventy-two thousand, three hundred eighty-nine".