Search a number
-
+
1100032105 = 5281782941
BaseRepresentation
bin100000110010001…
…0010100001101001
32211122220102100211
41001210102201221
54223102011410
6301053301121
736155055454
oct10144224151
92748812324
101100032105
11514a37447
122684947a1
13146b92493
14a614a49b
156689068a
hex41912869

1100032105 has 8 divisors (see below), whose sum is σ = 1324737864. Its totient is φ = 876892800.

The previous prime is 1100032099. The next prime is 1100032123. The reversal of 1100032105 is 5012300011.

It can be written as a sum of positive squares in 4 ways, for example, as 184606569 + 915425536 = 13587^2 + 30256^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100032105 - 219 = 1099507817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 390066 + ... + 392875.

It is an arithmetic number, because the mean of its divisors is an integer number (165592233).

Almost surely, 21100032105 is an apocalyptic number.

It is an amenable number.

1100032105 is a deficient number, since it is larger than the sum of its proper divisors (224705759).

1100032105 is an equidigital number, since it uses as much as digits as its factorization.

1100032105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783227.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1100032105 is about 33166.7319011084. The cubic root of 1100032105 is about 1032.2901581929.

Adding to 1100032105 its reverse (5012300011), we get a palindrome (6112332116).

The spelling of 1100032105 in words is "one billion, one hundred million, thirty-two thousand, one hundred five".

Divisors: 1 5 281 1405 782941 3914705 220006421 1100032105