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13384641 = 34461547
BaseRepresentation
bin110011000011…
…101111000001
3221012000021110
4303003233001
511411302031
61154513533
7221524164
oct63035701
927160243
1013384641
117612096
1245958a9
132a0830a
141ac5adb
151295c46
hexcc3bc1

13384641 has 4 divisors (see below), whose sum is σ = 17846192. Its totient is φ = 8923092.

The previous prime is 13384583. The next prime is 13384649. The reversal of 13384641 is 14648331.

13384641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14648331 = 34882777.

It is not a de Polignac number, because 13384641 - 26 = 13384577 is a prime.

It is a super-2 number, since 2×133846412 = 358297229397762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13384599 and 13384608.

It is not an unprimeable number, because it can be changed into a prime (13384649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230771 + ... + 2230776.

It is an arithmetic number, because the mean of its divisors is an integer number (4461548).

Almost surely, 213384641 is an apocalyptic number.

It is an amenable number.

13384641 is a deficient number, since it is larger than the sum of its proper divisors (4461551).

13384641 is an equidigital number, since it uses as much as digits as its factorization.

13384641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461550.

The product of its digits is 6912, while the sum is 30.

The square root of 13384641 is about 3658.5025625247. The cubic root of 13384641 is about 237.4299908147.

The spelling of 13384641 in words is "thirteen million, three hundred eighty-four thousand, six hundred forty-one".

Divisors: 1 3 4461547 13384641