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14386561 = 72055223
BaseRepresentation
bin110110111000…
…010110000001
31000001220122121
4312320112001
512140332221
61232204241
7233166220
oct66702601
930056577
1014386561
118136922
124999681
132c99377
141ca6cb7
1513e2a41
hexdb8581

14386561 has 4 divisors (see below), whose sum is σ = 16441792. Its totient is φ = 12331332.

The previous prime is 14386499. The next prime is 14386571. The reversal of 14386561 is 16568341.

It is a happy number.

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: 16568341 = 37447793.

It is a cyclic number.

It is not a de Polignac number, because 14386561 - 215 = 14353793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14386571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027605 + ... + 1027618.

It is an arithmetic number, because the mean of its divisors is an integer number (4110448).

Almost surely, 214386561 is an apocalyptic number.

It is an amenable number.

14386561 is a deficient number, since it is larger than the sum of its proper divisors (2055231).

14386561 is an equidigital number, since it uses as much as digits as its factorization.

14386561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055230.

The product of its digits is 17280, while the sum is 34.

The square root of 14386561 is about 3792.9620351382. The cubic root of 14386561 is about 243.2123722732.

The spelling of 14386561 in words is "fourteen million, three hundred eighty-six thousand, five hundred sixty-one".

Divisors: 1 7 2055223 14386561