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13405441 = 75773319
BaseRepresentation
bin110011001000…
…110100000001
3221020001210211
4303020310001
511412433231
61155154121
7221641630
oct63106401
927201724
1013405441
117626785
1245a5941
132a1491a
141acd517
15129beb1
hexcc8d01

13405441 has 8 divisors (see below), whose sum is σ = 15351680. Its totient is φ = 11467008.

The previous prime is 13405429. The next prime is 13405451. The reversal of 13405441 is 14450431.

13405441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13405441 - 211 = 13403393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13405411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380 + ... + 5698.

It is an arithmetic number, because the mean of its divisors is an integer number (1918960).

Almost surely, 213405441 is an apocalyptic number.

It is an amenable number.

13405441 is a deficient number, since it is larger than the sum of its proper divisors (1946239).

13405441 is an equidigital number, since it uses as much as digits as its factorization.

13405441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 13405441 is about 3661.3441520840. The cubic root of 13405441 is about 237.5529174791.

Adding to 13405441 its reverse (14450431), we get a palindrome (27855872).

The spelling of 13405441 in words is "thirteen million, four hundred five thousand, four hundred forty-one".

Divisors: 1 7 577 3319 4039 23233 1915063 13405441