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14390687 = 174012111
BaseRepresentation
bin110110111001…
…010110011111
31000002010022102
4312321112133
512141000222
61232235315
7233214233
oct66712637
930063272
1014390687
118139a33
12499bb3b
132c9b1cc
141ca85c3
1513e3d92
hexdb959f

14390687 has 8 divisors (see below), whose sum is σ = 15282432. Its totient is φ = 13504000.

The previous prime is 14390683. The next prime is 14390689. The reversal of 14390687 is 78609341.

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 14390687 - 22 = 14390683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14390687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14390683) 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, 5762 + ... + 7872.

It is an arithmetic number, because the mean of its divisors is an integer number (1910304).

Almost surely, 214390687 is an apocalyptic number.

14390687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14390687 is a deficient number, since it is larger than the sum of its proper divisors (891745).

14390687 is a wasteful number, since it uses less digits than its factorization.

14390687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 14390687 is about 3793.5058982424. The cubic root of 14390687 is about 243.2356207834.

The spelling of 14390687 in words is "fourteen million, three hundred ninety thousand, six hundred eighty-seven".

Divisors: 1 17 401 2111 6817 35887 846511 14390687