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14390545 = 513221393
BaseRepresentation
bin110110111001…
…010100010001
31000002010010011
4312321110101
512140444140
61232234521
7233213641
oct66712421
930063104
1014390545
118139914
12499ba41
132c9b120
141ca8521
1513e3cea
hexdb9511

14390545 has 8 divisors (see below), whose sum is σ = 18597096. Its totient is φ = 10626816.

The previous prime is 14390539. The next prime is 14390587. The reversal of 14390545 is 54509341.

14390545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1089936 + 13300609 = 1044^2 + 3647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14390545 - 213 = 14382353 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110632 + ... + 110761.

It is an arithmetic number, because the mean of its divisors is an integer number (2324637).

Almost surely, 214390545 is an apocalyptic number.

It is an amenable number.

14390545 is a deficient number, since it is larger than the sum of its proper divisors (4206551).

14390545 is a wasteful number, since it uses less digits than its factorization.

14390545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221411.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 14390545 is about 3793.4871820002. The cubic root of 14390545 is about 243.2348207388.

Adding to 14390545 its reverse (54509341), we get a palindrome (68899886).

The spelling of 14390545 in words is "fourteen million, three hundred ninety thousand, five hundred forty-five".

Divisors: 1 5 13 65 221393 1106965 2878109 14390545