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14286240 = 253353307
BaseRepresentation
bin110110011111…
…110110100000
3222212211001000
4312133312200
512124124430
61230112000
7232300563
oct66376640
928784030
1014286240
118078511
12494b600
132c627c7
141c7c4da
1513c2e60
hexd9fda0

14286240 has 96 divisors (see below), whose sum is σ = 50016960. Its totient is φ = 3808512.

The previous prime is 14286229. The next prime is 14286247. The reversal of 14286240 is 4268241.

14286240 is a `hidden beast` number, since 14 + 28 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×142862403 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14286247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2667 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (521010).

Almost surely, 214286240 is an apocalyptic number.

14286240 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 14286240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25008480).

14286240 is an abundant number, since it is smaller than the sum of its proper divisors (35730720).

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

14286240 is a wasteful number, since it uses less digits than its factorization.

14286240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331 (or 3317 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 14286240 is about 3779.7142749155. The cubic root of 14286240 is about 242.6457267015.

The spelling of 14286240 in words is "fourteen million, two hundred eighty-six thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 3307 4320 6614 9921 13228 16535 19842 26456 29763 33070 39684 49605 52912 59526 66140 79368 89289 99210 105824 119052 132280 148815 158736 178578 198420 238104 264560 297630 317472 357156 396840 446445 476208 529120 595260 714312 793680 892890 952416 1190520 1428624 1587360 1785780 2381040 2857248 3571560 4762080 7143120 14286240