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14288290 = 252323773
BaseRepresentation
bin110110100000…
…010110100010
3222212220211221
4312200112202
512124211130
61230125254
7232306552
oct66402642
928786757
1014288290
11807a005
12495082a
132c63713
141c7d162
1513c387a
hexda05a2

14288290 has 48 divisors (see below), whose sum is σ = 27990648. Its totient is φ = 5246208.

The previous prime is 14288269. The next prime is 14288291. The reversal of 14288290 is 9288241.

It can be written as a sum of positive squares in 4 ways, for example, as 13712209 + 576081 = 3703^2 + 759^2 .

It is a super-2 number, since 2×142882902 = 408310462248200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14288291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195694 + ... + 195766.

Almost surely, 214288290 is an apocalyptic number.

14288290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14288290 is a deficient number, since it is larger than the sum of its proper divisors (13702358).

14288290 is a wasteful number, since it uses less digits than its factorization.

14288290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 14288290 is about 3779.9854497074. The cubic root of 14288290 is about 242.6573322732.

The spelling of 14288290 in words is "fourteen million, two hundred eighty-eight thousand, two hundred ninety".

Divisors: 1 2 5 10 23 37 46 73 74 115 146 185 230 365 370 529 730 851 1058 1679 1702 2645 2701 3358 4255 5290 5402 8395 8510 13505 16790 19573 27010 38617 39146 62123 77234 97865 124246 193085 195730 310615 386170 621230 1428829 2857658 7144145 14288290