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14253440 = 27522271
BaseRepresentation
bin110110010111…
…110110000000
3222211011001012
4312113312000
512122102230
61225300052
7232103135
oct66276600
928734035
1014253440
118055903
124934628
132c508b6
141c7058c
1513b8395
hexd97d80

14253440 has 32 divisors (see below), whose sum is σ = 34076160. Its totient is φ = 5701120.

The previous prime is 14253427. The next prime is 14253451. The reversal of 14253440 is 4435241.

14253440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10496 + ... + 11775.

It is an arithmetic number, because the mean of its divisors is an integer number (1064880).

Almost surely, 214253440 is an apocalyptic number.

14253440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14253440 is an abundant number, since it is smaller than the sum of its proper divisors (19822720).

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

14253440 is an equidigital number, since it uses as much as digits as its factorization.

14253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22290 (or 22278 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 14253440 is about 3775.3728292713. The cubic root of 14253440 is about 242.4598863751.

Adding to 14253440 its reverse (4435241), we get a palindrome (18688681).

The spelling of 14253440 in words is "fourteen million, two hundred fifty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 22271 44542 89084 111355 178168 222710 356336 445420 712672 890840 1425344 1781680 2850688 3563360 7126720 14253440