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14401481 = 111712893
BaseRepresentation
bin110110111011…
…111111001001
31000002200010012
4312323333021
512141321411
61232401305
7233260553
oct66737711
930080105
1014401481
118147056
1249a6235
132ca30b3
141cac4d3
1513e718b
hexdbbfc9

14401481 has 4 divisors (see below), whose sum is σ = 14415492. Its totient is φ = 14387472.

The previous prime is 14401459. The next prime is 14401483. The reversal of 14401481 is 18410441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3936256 + 10465225 = 1984^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 14401481 - 210 = 14400457 is a prime.

It is a super-2 number, since 2×144014812 = 414805309986722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14401483) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5330 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (3603873).

Almost surely, 214401481 is an apocalyptic number.

It is an amenable number.

14401481 is a deficient number, since it is larger than the sum of its proper divisors (14011).

14401481 is a wasteful number, since it uses less digits than its factorization.

14401481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14010.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 14401481 is about 3794.9283260689. The cubic root of 14401481 is about 243.2964200381.

The spelling of 14401481 in words is "fourteen million, four hundred one thousand, four hundred eighty-one".

Divisors: 1 1117 12893 14401481