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14286320 = 245434153
BaseRepresentation
bin110110011111…
…110111110000
3222212211010222
4312133313300
512124130240
61230112212
7232301036
oct66376760
928784128
1014286320
118078584
12494b668
132c62859
141c7c556
1513c2eb5
hexd9fdf0

14286320 has 40 divisors (see below), whose sum is σ = 33996336. Its totient is φ = 5580288.

The previous prime is 14286317. The next prime is 14286353. The reversal of 14286320 is 2368241.

Added to its reverse (2368241) it gives a square (16654561 = 40812).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 14286320.

It is a congruent number.

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, 1364 + ... + 5516.

Almost surely, 214286320 is an apocalyptic number.

14286320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14286320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16998168).

14286320 is an abundant number, since it is smaller than the sum of its proper divisors (19710016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14286320 is a wasteful number, since it uses less digits than its factorization.

14286320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209 (or 4203 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 14286320 is about 3779.7248577112. The cubic root of 14286320 is about 242.6461796227.

Adding to 14286320 its reverse (2368241), we get a square (16654561 = 40812).

The spelling of 14286320 in words is "fourteen million, two hundred eighty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 4153 8306 16612 20765 33224 41530 66448 83060 166120 178579 332240 357158 714316 892895 1428632 1785790 2857264 3571580 7143160 14286320