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13440411 = 34165931
BaseRepresentation
bin110011010001…
…010110011011
3221021211210000
4303101112123
511420043121
61200024043
7222145605
oct63212633
927254700
1013440411
11764aa86
124602023
132a2780a
141adc175
1512a7526
hexcd159b

13440411 has 10 divisors (see below), whose sum is σ = 20077772. Its totient is φ = 8960220.

The previous prime is 13440409. The next prime is 13440419. The reversal of 13440411 is 11404431.

13440411 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13440411 - 21 = 13440409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13440419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82885 + ... + 83046.

Almost surely, 213440411 is an apocalyptic number.

13440411 is a deficient number, since it is larger than the sum of its proper divisors (6637361).

13440411 is an equidigital number, since it uses as much as digits as its factorization.

13440411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165943 (or 165934 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13440411 is about 3666.1166102567. The cubic root of 13440411 is about 237.7593016492.

Adding to 13440411 its reverse (11404431), we get a palindrome (24844842).

The spelling of 13440411 in words is "thirteen million, four hundred forty thousand, four hundred eleven".

Divisors: 1 3 9 27 81 165931 497793 1493379 4480137 13440411