Search a number
-
+
14318820 = 2232579549
BaseRepresentation
bin110110100111…
…110011100100
3222221110201200
4312213303210
512131200240
61230522500
7232464555
oct66476344
928843650
1014318820
11809aa3a
124966430
132c74599
141c8a32c
1513cc930
hexda7ce4

14318820 has 36 divisors (see below), whose sum is σ = 43434300. Its totient is φ = 3818304.

The previous prime is 14318813. The next prime is 14318831. The reversal of 14318820 is 2881341.

It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 3069504 = 3354^2 + 1752^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39595 + ... + 39954.

Almost surely, 214318820 is an apocalyptic number.

14318820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14318820 is an abundant number, since it is smaller than the sum of its proper divisors (29115480).

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

14318820 is a wasteful number, since it uses less digits than its factorization.

14318820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79564 (or 79559 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 14318820 is about 3784.0216701282. The cubic root of 14318820 is about 242.8300391568.

The spelling of 14318820 in words is "fourteen million, three hundred eighteen thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 79549 159098 238647 318196 397745 477294 715941 795490 954588 1193235 1431882 1590980 2386470 2863764 3579705 4772940 7159410 14318820