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11312443 is a prime number
BaseRepresentation
bin101011001001…
…110100111011
3210021201202101
4223021310323
510343444233
61042244231
7165103612
oct53116473
923251671
1011312443
11642722a
123956677
13246106c
141706879
15ed6c7d
hexac9d3b

11312443 has 2 divisors, whose sum is σ = 11312444. Its totient is φ = 11312442.

The previous prime is 11312393. The next prime is 11312447. The reversal of 11312443 is 34421311.

11312443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11312443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11312443.

It is not a weakly prime, because it can be changed into another prime (11312447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656221 + 5656222.

It is an arithmetic number, because the mean of its divisors is an integer number (5656222).

Almost surely, 211312443 is an apocalyptic number.

11312443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312443 is an equidigital number, since it uses as much as digits as its factorization.

11312443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 11312443 is about 3363.3975382045. The cubic root of 11312443 is about 224.4840391230.

Adding to 11312443 its reverse (34421311), we get a palindrome (45733754).

The spelling of 11312443 in words is "eleven million, three hundred twelve thousand, four hundred forty-three".