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14478005 = 54496449
BaseRepresentation
bin110111001110…
…101010110101
31000020120002102
4313032222311
512201244010
61234151445
7234026633
oct67165265
930216072
1014478005
1181995a3
124a22585
132ccbb89
141ccc353
15140eba5
hexdceab5

14478005 has 8 divisors (see below), whose sum is σ = 17415000. Its totient is φ = 11554816.

The previous prime is 14478001. The next prime is 14478007. The reversal of 14478005 is 50087441.

It can be written as a sum of positive squares in 4 ways, for example, as 5769604 + 8708401 = 2402^2 + 2951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14478005 - 22 = 14478001 is a prime.

It is a super-2 number, since 2×144780052 = 419225257560050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14478001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980 + ... + 5469.

It is an arithmetic number, because the mean of its divisors is an integer number (2176875).

Almost surely, 214478005 is an apocalyptic number.

It is an amenable number.

14478005 is a deficient number, since it is larger than the sum of its proper divisors (2936995).

14478005 is an equidigital number, since it uses as much as digits as its factorization.

14478005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 14478005 is about 3804.9973718782. The cubic root of 14478005 is about 243.7265872757.

The spelling of 14478005 in words is "fourteen million, four hundred seventy-eight thousand, five".

Divisors: 1 5 449 2245 6449 32245 2895601 14478005