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14240233 = 72290617
BaseRepresentation
bin110110010100…
…100111101001
3222210110221001
4312110213221
512121141413
61225115001
7232016500
oct66244751
928713831
1014240233
118046997
124928a61
132c47897
141c69837
1513b44dd
hexd949e9

14240233 has 6 divisors (see below), whose sum is σ = 16565226. Its totient is φ = 12205872.

The previous prime is 14240209. The next prime is 14240249. The reversal of 14240233 is 33204241.

It can be written as a sum of positive squares in only one way, i.e., 12201049 + 2039184 = 3493^2 + 1428^2 .

It is a de Polignac number, because none of the positive numbers 2k-14240233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14240233.

It is not an unprimeable number, because it can be changed into a prime (14040233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145260 + ... + 145357.

It is an arithmetic number, because the mean of its divisors is an integer number (2760871).

Almost surely, 214240233 is an apocalyptic number.

It is an amenable number.

14240233 is a deficient number, since it is larger than the sum of its proper divisors (2324993).

14240233 is an equidigital number, since it uses as much as digits as its factorization.

14240233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290631 (or 290624 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 14240233 is about 3773.6233251346. The cubic root of 14240233 is about 242.3849768035.

Adding to 14240233 its reverse (33204241), we get a palindrome (47444474).

The spelling of 14240233 in words is "fourteen million, two hundred forty thousand, two hundred thirty-three".

Divisors: 1 7 49 290617 2034319 14240233