Search a number
-
+
1080593509 = 4432439263
BaseRepresentation
bin100000001101000…
…1000110001100101
32210022022211121211
41000122020301211
54203112443014
6255120511421
735530615252
oct10032106145
92708284554
101080593509
11504a6a996
12261a7b571
13142b47758
14a372a429
1564d00cc4
hex40688c65

1080593509 has 4 divisors (see below), whose sum is σ = 1083033216. Its totient is φ = 1078153804.

The previous prime is 1080593461. The next prime is 1080593513. The reversal of 1080593509 is 9053950801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1080593509 - 211 = 1080591461 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080593209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219189 + ... + 1220074.

It is an arithmetic number, because the mean of its divisors is an integer number (270758304).

Almost surely, 21080593509 is an apocalyptic number.

It is an amenable number.

1080593509 is a deficient number, since it is larger than the sum of its proper divisors (2439707).

1080593509 is an equidigital number, since it uses as much as digits as its factorization.

1080593509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439706.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 1080593509 is about 32872.3821619304. The cubic root of 1080593509 is about 1026.1734754620.

The spelling of 1080593509 in words is "one billion, eighty million, five hundred ninety-three thousand, five hundred nine".

Divisors: 1 443 2439263 1080593509