Search a number
-
+
1083947807 is a prime number
BaseRepresentation
bin100000010011011…
…1011101100011111
32210112122020212002
41000212323230133
54204442312212
6255320432515
735601255455
oct10046735437
92715566762
101083947807
11506951038
1226301873b
13143750447
14a3d609d5
1565264ac2
hex409bbb1f

1083947807 has 2 divisors, whose sum is σ = 1083947808. Its totient is φ = 1083947806.

The previous prime is 1083947801. The next prime is 1083947831. The reversal of 1083947807 is 7087493801.

It is a weak prime.

It is an emirp because it is prime and its reverse (7087493801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1083947807 - 28 = 1083947551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1083947801) 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, 541973903 + 541973904.

It is an arithmetic number, because the mean of its divisors is an integer number (541973904).

Almost surely, 21083947807 is an apocalyptic number.

1083947807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083947807 is an equidigital number, since it uses as much as digits as its factorization.

1083947807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 1083947807 is about 32923.3626320277. The cubic root of 1083947807 is about 1027.2341691689.

The spelling of 1083947807 in words is "one billion, eighty-three million, nine hundred forty-seven thousand, eight hundred seven".