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14401280 = 28511251
BaseRepresentation
bin110110111011…
…111100000000
31000002122211202
4312323330000
512141320110
61232400332
7233260145
oct66737400
930078752
1014401280
118146993
1249a60a8
132ca2c8a
141cac3cc
1513e70a5
hexdbbf00

14401280 has 36 divisors (see below), whose sum is σ = 34498632. Its totient is φ = 5760000.

The previous prime is 14401279. The next prime is 14401301. The reversal of 14401280 is 8210441.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4346 + ... + 6905.

Almost surely, 214401280 is an apocalyptic number.

14401280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14401280 is an abundant number, since it is smaller than the sum of its proper divisors (20097352).

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

14401280 is an equidigital number, since it uses as much as digits as its factorization.

14401280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272 (or 11258 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 14401280 is about 3794.9018432629. The cubic root of 14401280 is about 243.2952881451.

The spelling of 14401280 in words is "fourteen million, four hundred one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 11251 22502 45004 56255 90008 112510 180016 225020 360032 450040 720064 900080 1440128 1800160 2880256 3600320 7200640 14401280