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14040520 = 2351323167
BaseRepresentation
bin110101100011…
…110111001000
3222102022222021
4311203313020
512043244040
61220534224
7230225314
oct65436710
928368867
1014040520
117a1a93a
124851374
132ba7a00
141c16b44
15137524a
hexd63dc8

14040520 has 96 divisors (see below), whose sum is σ = 35838720. Its totient is φ = 4942080.

The previous prime is 14040493. The next prime is 14040527. The reversal of 14040520 is 2504041.

It is a junction number, because it is equal to n+sod(n) for n = 14040494 and 14040503.

It is not an unprimeable number, because it can be changed into a prime (14040527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209527 + ... + 209593.

It is an arithmetic number, because the mean of its divisors is an integer number (373320).

Almost surely, 214040520 is an apocalyptic number.

14040520 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 14040520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17919360).

14040520 is an abundant number, since it is smaller than the sum of its proper divisors (21798200).

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

14040520 is a wasteful number, since it uses less digits than its factorization.

14040520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 14040520 is about 3747.0681872632. The cubic root of 14040520 is about 241.2465237940.

Adding to 14040520 its reverse (2504041), we get a palindrome (16544561).

The spelling of 14040520 in words is "fourteen million, forty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 31 40 52 62 65 67 104 124 130 134 155 169 248 260 268 310 335 338 403 520 536 620 670 676 806 845 871 1240 1340 1352 1612 1690 1742 2015 2077 2680 3224 3380 3484 4030 4154 4355 5239 6760 6968 8060 8308 8710 10385 10478 11323 16120 16616 17420 20770 20956 22646 26195 27001 34840 41540 41912 45292 52390 54002 56615 83080 90584 104780 108004 113230 135005 209560 216008 226460 270010 351013 452920 540020 702026 1080040 1404052 1755065 2808104 3510130 7020260 14040520