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14650231 = 59248309
BaseRepresentation
bin110111111000…
…101101110111
31000120022100011
4313320231313
512222301411
61242001051
7235345021
oct67705567
930508304
1014650231
1182a6a32
124aa6187
13305c39b
141d35011
151445c21
hexdf8b77

14650231 has 4 divisors (see below), whose sum is σ = 14898600. Its totient is φ = 14401864.

The previous prime is 14650217. The next prime is 14650267. The reversal of 14650231 is 13205641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13205641 = 26774933.

It is a cyclic number.

It is not a de Polignac number, because 14650231 - 213 = 14642039 is a prime.

It is a super-2 number, since 2×146502312 = 429258536706722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14650291) 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, 124096 + ... + 124213.

It is an arithmetic number, because the mean of its divisors is an integer number (3724650).

Almost surely, 214650231 is an apocalyptic number.

14650231 is a deficient number, since it is larger than the sum of its proper divisors (248369).

14650231 is an equidigital number, since it uses as much as digits as its factorization.

14650231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248368.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 14650231 is about 3827.5620177863. The cubic root of 14650231 is about 244.6892130359.

Adding to 14650231 its reverse (13205641), we get a palindrome (27855872).

The spelling of 14650231 in words is "fourteen million, six hundred fifty thousand, two hundred thirty-one".

Divisors: 1 59 248309 14650231