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13841885 = 53774821
BaseRepresentation
bin110100110011…
…010111011101
3222001020111102
4310303113131
512020420020
61212402445
7225440231
oct64632735
928036442
1013841885
1178a4682
124776425
132b38485
141ba45c1
151336475
hexd335dd

13841885 has 8 divisors (see below), whose sum is σ = 17059416. Its totient is φ = 10774080.

The previous prime is 13841881. The next prime is 13841909. The reversal of 13841885 is 58814831.

13841885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3467044 + 10374841 = 1862^2 + 3221^2 .

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

It is not a de Polignac number, because 13841885 - 22 = 13841881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13841881) 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, 37226 + ... + 37595.

It is an arithmetic number, because the mean of its divisors is an integer number (2132427).

Almost surely, 213841885 is an apocalyptic number.

It is an amenable number.

13841885 is a deficient number, since it is larger than the sum of its proper divisors (3217531).

13841885 is an equidigital number, since it uses as much as digits as its factorization.

13841885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74863.

The product of its digits is 30720, while the sum is 38.

The square root of 13841885 is about 3720.4683844914. The cubic root of 13841885 is about 240.1034565541.

The spelling of 13841885 in words is "thirteen million, eight hundred forty-one thousand, eight hundred eighty-five".

Divisors: 1 5 37 185 74821 374105 2768377 13841885