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1111440323 = 7158777189
BaseRepresentation
bin100001000111111…
…0011101111000011
32212110101000111102
41002033303233003
54234012042243
6302142005015
736354041540
oct10217635703
92773330442
101111440323
11520419624
1227027676b
13149357cc6
14a7879bc7
15678959b8
hex423f3bc3

1111440323 has 4 divisors (see below), whose sum is σ = 1270217520. Its totient is φ = 952663128.

The previous prime is 1111440227. The next prime is 1111440361. The reversal of 1111440323 is 3230441111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3230441111 = 6152958051.

It is a cyclic number.

It is not a de Polignac number, because 1111440323 - 210 = 1111439299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111440295 and 1111440304.

It is not an unprimeable number, because it can be changed into a prime (1111440383) 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 in 3 ways as a sum of consecutive naturals, for example, 79388588 + ... + 79388601.

It is an arithmetic number, because the mean of its divisors is an integer number (317554380).

Almost surely, 21111440323 is an apocalyptic number.

1111440323 is a deficient number, since it is larger than the sum of its proper divisors (158777197).

1111440323 is an equidigital number, since it uses as much as digits as its factorization.

1111440323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158777196.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1111440323 is about 33338.2711459368. The cubic root of 1111440323 is about 1035.8464523383.

Adding to 1111440323 its reverse (3230441111), we get a palindrome (4341881434).

The spelling of 1111440323 in words is "one billion, one hundred eleven million, four hundred forty thousand, three hundred twenty-three".

Divisors: 1 7 158777189 1111440323