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14450440 = 23523113139
BaseRepresentation
bin110111000111…
…111100001000
31000012011021111
4313013330020
512144403230
61233420104
7233553364
oct67077410
930164244
1014450440
11817a914
124a0a634
132cbc474
141cc22a4
15140692a
hexdc7f08

14450440 has 64 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 5440512.

The previous prime is 14450413. The next prime is 14450453. The reversal of 14450440 is 4405441.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 103891 + ... + 104029.

It is an arithmetic number, because the mean of its divisors is an integer number (538650).

Almost surely, 214450440 is an apocalyptic number.

14450440 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 14450440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17236800).

14450440 is an abundant number, since it is smaller than the sum of its proper divisors (20023160).

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

14450440 is a wasteful number, since it uses less digits than its factorization.

14450440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 14450440 is about 3801.3734360097. The cubic root of 14450440 is about 243.5718101588.

Adding to 14450440 its reverse (4405441), we get a palindrome (18855881).

The spelling of 14450440 in words is "fourteen million, four hundred fifty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 113 115 139 184 226 230 278 452 460 556 565 695 904 920 1112 1130 1390 2260 2599 2780 3197 4520 5198 5560 6394 10396 12788 12995 15707 15985 20792 25576 25990 31414 31970 51980 62828 63940 78535 103960 125656 127880 157070 314140 361261 628280 722522 1445044 1806305 2890088 3612610 7225220 14450440