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14390933 is a prime number
BaseRepresentation
bin110110111001…
…011010010101
31000002010122112
4312321122111
512141002213
61232240405
7233215034
oct66713225
930063575
1014390933
11813a137
1249a0105
132c9b35b
141ca871b
1513e3ea8
hexdb9695

14390933 has 2 divisors, whose sum is σ = 14390934. Its totient is φ = 14390932.

The previous prime is 14390927. The next prime is 14390947. The reversal of 14390933 is 33909341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14273284 + 117649 = 3778^2 + 343^2 .

It is an emirp because it is prime and its reverse (33909341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14390933 - 24 = 14390917 is a prime.

It is a super-2 number, since 2×143909332 = 414197905220978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14390933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14390333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7195466 + 7195467.

It is an arithmetic number, because the mean of its divisors is an integer number (7195467).

Almost surely, 214390933 is an apocalyptic number.

It is an amenable number.

14390933 is a deficient number, since it is larger than the sum of its proper divisors (1).

14390933 is an equidigital number, since it uses as much as digits as its factorization.

14390933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 14390933 is about 3793.5383219364. The cubic root of 14390933 is about 243.2370067636.

It can be divided in two parts, 1 and 4390933, that added together give a palindrome (4390934).

The spelling of 14390933 in words is "fourteen million, three hundred ninety thousand, nine hundred thirty-three".