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14045440 = 28510973
BaseRepresentation
bin110101100101…
…000100000000
3222102120201111
4311211010000
512043423230
61221013104
7230245543
oct65450400
928376644
1014045440
117a23602
124854194
132baa016
141c1885a
15137692a
hexd65100

14045440 has 36 divisors (see below), whose sum is σ = 33646284. Its totient is φ = 5617664.

The previous prime is 14045431. The next prime is 14045453. The reversal of 14045440 is 4454041.

It can be written as a sum of positive squares in 2 ways, for example, as 6471936 + 7573504 = 2544^2 + 2752^2 .

It is a nialpdrome in base 16.

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, 4207 + ... + 6766.

It is an arithmetic number, because the mean of its divisors is an integer number (934619).

Almost surely, 214045440 is an apocalyptic number.

14045440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14045440 is an abundant number, since it is smaller than the sum of its proper divisors (19600844).

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

14045440 is an equidigital number, since it uses as much as digits as its factorization.

14045440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994 (or 10980 counting only the distinct ones).

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

The square root of 14045440 is about 3747.7246430334. The cubic root of 14045440 is about 241.2746992529.

Adding to 14045440 its reverse (4454041), we get a palindrome (18499481).

The spelling of 14045440 in words is "fourteen million, forty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 10973 21946 43892 54865 87784 109730 175568 219460 351136 438920 702272 877840 1404544 1755680 2809088 3511360 7022720 14045440