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13043427 = 39834423
BaseRepresentation
bin110001110000…
…011011100011
3220112200012220
4301300123203
511314342202
61143322123
7215603325
oct61603343
926480186
1013043427
1173a97a1
124450343
132918c07
141a37615
151229abc
hexc706e3

13043427 has 8 divisors (see below), whose sum is σ = 17412864. Its totient is φ = 8684808.

The previous prime is 13043411. The next prime is 13043431. The reversal of 13043427 is 72434031.

13043427 is digitally balanced in base 2, 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 13043427 - 24 = 13043411 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13043397 and 13043406.

It is not an unprimeable number, because it can be changed into a prime (13043497) 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, 738 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (2176608).

Almost surely, 213043427 is an apocalyptic number.

13043427 is the 2949-th pentagonal number.

13043427 is a deficient number, since it is larger than the sum of its proper divisors (4369437).

13043427 is an equidigital number, since it uses as much as digits as its factorization.

13043427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13043427 is about 3611.5684958201. The cubic root of 13043427 is about 235.3950018994.

Adding to 13043427 its reverse (72434031), we get a palindrome (85477458).

The spelling of 13043427 in words is "thirteen million, forty-three thousand, four hundred twenty-seven".

Divisors: 1 3 983 2949 4423 13269 4347809 13043427