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14146540 = 2253122817
BaseRepresentation
bin110101111101…
…101111101100
3222121201101221
4311331233230
512110142130
61223113124
7231146362
oct65755754
928551357
1014146540
117a92561
1248a27a4
132c14045
141c43632
15139687a
hexd7dbec

14146540 has 24 divisors (see below), whose sum is σ = 30667392. Its totient is φ = 5475840.

The previous prime is 14146529. The next prime is 14146553. The reversal of 14146540 is 4564141.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10789 + ... + 12028.

It is an arithmetic number, because the mean of its divisors is an integer number (1277808).

Almost surely, 214146540 is an apocalyptic number.

14146540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14146540 is an abundant number, since it is smaller than the sum of its proper divisors (16520852).

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

14146540 is a wasteful number, since it uses less digits than its factorization.

14146540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22857 (or 22855 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 14146540 is about 3761.1886419056. The cubic root of 14146540 is about 241.8522194981.

The spelling of 14146540 in words is "fourteen million, one hundred forty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 22817 45634 91268 114085 228170 456340 707327 1414654 2829308 3536635 7073270 14146540