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14286890 = 251428689
BaseRepresentation
bin110110100000…
…000000101010
3222212211221002
4312200000222
512124140030
61230115002
7232302512
oct66400052
928784832
1014286890
118078a52
12494ba62
132c62ba7
141c7c842
1513c3245
hexda002a

14286890 has 8 divisors (see below), whose sum is σ = 25716420. Its totient is φ = 5714752.

The previous prime is 14286863. The next prime is 14286907. The reversal of 14286890 is 9868241.

It can be written as a sum of positive squares in 2 ways, for example, as 13169641 + 1117249 = 3629^2 + 1057^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714335 + ... + 714354.

Almost surely, 214286890 is an apocalyptic number.

14286890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14286890 is a deficient number, since it is larger than the sum of its proper divisors (11429530).

14286890 is a wasteful number, since it uses less digits than its factorization.

14286890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428696.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 14286890 is about 3779.8002592730. The cubic root of 14286890 is about 242.6494066371.

The spelling of 14286890 in words is "fourteen million, two hundred eighty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 1428689 2857378 7143445 14286890