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14390561 = 79182159
BaseRepresentation
bin110110111001…
…010100100001
31000002010010202
4312321110201
512140444221
61232234545
7233213663
oct66712441
930063122
1014390561
118139929
12499ba55
132c9b133
141ca8533
1513e3d0b
hexdb9521

14390561 has 4 divisors (see below), whose sum is σ = 14572800. Its totient is φ = 14208324.

The previous prime is 14390539. The next prime is 14390587. The reversal of 14390561 is 16509341.

14390561 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.

It is a cyclic number.

It is not a de Polignac number, because 14390561 - 210 = 14389537 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14390501) 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, 91001 + ... + 91158.

It is an arithmetic number, because the mean of its divisors is an integer number (3643200).

Almost surely, 214390561 is an apocalyptic number.

14390561 is the 1697-th centered decagonal number.

It is an amenable number.

14390561 is a deficient number, since it is larger than the sum of its proper divisors (182239).

14390561 is an equidigital number, since it uses as much as digits as its factorization.

14390561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182238.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 14390561 is about 3793.4892908772. The cubic root of 14390561 is about 243.2349108850.

The spelling of 14390561 in words is "fourteen million, three hundred ninety thousand, five hundred sixty-one".

Divisors: 1 79 182159 14390561