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14005540 = 225700277
BaseRepresentation
bin110101011011…
…010100100100
3222100112222201
4311123110210
512041134130
61220104244
7230021323
oct65332444
928315881
1014005540
1179a662a
124835084
132b94b03
141c080ba
151369bca
hexd5b524

14005540 has 12 divisors (see below), whose sum is σ = 29411676. Its totient is φ = 5602208.

The previous prime is 14005529. The next prime is 14005567. The reversal of 14005540 is 4550041.

14005540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7884864 + 6120676 = 2808^2 + 2474^2 .

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, 350119 + ... + 350158.

It is an arithmetic number, because the mean of its divisors is an integer number (2450973).

Almost surely, 214005540 is an apocalyptic number.

14005540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14005540 is an abundant number, since it is smaller than the sum of its proper divisors (15406136).

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

14005540 is a wasteful number, since it uses less digits than its factorization.

14005540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700286 (or 700284 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 14005540 is about 3742.3976271904. The cubic root of 14005540 is about 241.0460131492.

Adding to 14005540 its reverse (4550041), we get a palindrome (18555581).

The spelling of 14005540 in words is "fourteen million, five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 700277 1400554 2801108 3501385 7002770 14005540