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13240027 = 98313469
BaseRepresentation
bin110010100000…
…011011011011
3220220122220101
4302200123123
511342140102
61151440231
7220352443
oct62403333
926818811
1013240027
117523479
124526077
132987548
141a89123
151267e87
hexca06db

13240027 has 4 divisors (see below), whose sum is σ = 13254480. Its totient is φ = 13225576.

The previous prime is 13240021. The next prime is 13240049. The reversal of 13240027 is 72004231.

13240027 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.

It is a cyclic number.

It is not a de Polignac number, because 13240027 - 211 = 13237979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13239986 and 13240013.

It is not an unprimeable number, because it can be changed into a prime (13240021) 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, 5752 + ... + 7717.

It is an arithmetic number, because the mean of its divisors is an integer number (3313620).

Almost surely, 213240027 is an apocalyptic number.

13240027 is a deficient number, since it is larger than the sum of its proper divisors (14453).

13240027 is an equidigital number, since it uses as much as digits as its factorization.

13240027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14452.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 13240027 is about 3638.6847898657. The cubic root of 13240027 is about 236.5717905320.

Adding to 13240027 its reverse (72004231), we get a palindrome (85244258).

The spelling of 13240027 in words is "thirteen million, two hundred forty thousand, twenty-seven".

Divisors: 1 983 13469 13240027