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13744361 = 82116741
BaseRepresentation
bin110100011011…
…100011101001
3221212021201102
4310123203221
512004304421
61210331145
7224553011
oct64334351
927767642
1013744361
117838384
124729ab5
132b02c77
141b7ac41
15131760b
hexd1b8e9

13744361 has 4 divisors (see below), whose sum is σ = 13761924. Its totient is φ = 13726800.

The previous prime is 13744349. The next prime is 13744369. The reversal of 13744361 is 16344731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9517225 + 4227136 = 3085^2 + 2056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13744361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13744369) 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 3 ways as a sum of consecutive naturals, for example, 7550 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (3440481).

Almost surely, 213744361 is an apocalyptic number.

It is an amenable number.

13744361 is a deficient number, since it is larger than the sum of its proper divisors (17563).

13744361 is an equidigital number, since it uses as much as digits as its factorization.

13744361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562.

The product of its digits is 6048, while the sum is 29.

The square root of 13744361 is about 3707.3388029691. The cubic root of 13744361 is about 239.5382382944.

The spelling of 13744361 in words is "thirteen million, seven hundred forty-four thousand, three hundred sixty-one".

Divisors: 1 821 16741 13744361