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14240231 = 46730493
BaseRepresentation
bin110110010100…
…100111100111
3222210110220222
4312110213213
512121141411
61225114555
7232016465
oct66244747
928713828
1014240231
118046995
124928a5b
132c47895
141c69835
1513b44db
hexd949e7

14240231 has 4 divisors (see below), whose sum is σ = 14271192. Its totient is φ = 14209272.

The previous prime is 14240209. The next prime is 14240249. The reversal of 14240231 is 13204241.

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

It is a cyclic number.

It is not a de Polignac number, because 14240231 - 210 = 14239207 is a prime.

It is a super-2 number, since 2×142402312 = 405568357866722, 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 (14240251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14780 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (3567798).

Almost surely, 214240231 is an apocalyptic number.

14240231 is a deficient number, since it is larger than the sum of its proper divisors (30961).

14240231 is an equidigital number, since it uses as much as digits as its factorization.

14240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30960.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14240231 is about 3773.6230601373. The cubic root of 14240231 is about 242.3849654561.

Adding to 14240231 its reverse (13204241), we get a palindrome (27444472).

The spelling of 14240231 in words is "fourteen million, two hundred forty thousand, two hundred thirty-one".

Divisors: 1 467 30493 14240231