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14007643 = 1317241263
BaseRepresentation
bin110101011011…
…110101011011
3222100122212121
4311123311123
512041221033
61220122111
7230030416
oct65336533
928318777
1014007643
1179a8171
124836337
132b95a60
141c08b7d
15136a62d
hexd5bd5b

14007643 has 16 divisors (see below), whose sum is σ = 16099776. Its totient is φ = 12072960.

The previous prime is 14007599. The next prime is 14007659. The reversal of 14007643 is 34670041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14007643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14007683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53130 + ... + 53392.

It is an arithmetic number, because the mean of its divisors is an integer number (1006236).

Almost surely, 214007643 is an apocalyptic number.

14007643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14007643 is a deficient number, since it is larger than the sum of its proper divisors (2092133).

14007643 is a wasteful number, since it uses less digits than its factorization.

14007643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 14007643 is about 3742.6785862534. The cubic root of 14007643 is about 241.0580772895.

Adding to 14007643 its reverse (34670041), we get a palindrome (48677684).

The spelling of 14007643 in words is "fourteen million, seven thousand, six hundred forty-three".

Divisors: 1 13 17 221 241 263 3133 3419 4097 4471 53261 58123 63383 823979 1077511 14007643