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14210231 = 74167739
BaseRepresentation
bin110110001101…
…010010110111
3222201221202212
4312031102313
512114211411
61224324035
7231533150
oct66152267
928657685
1014210231
1180263a2
12491361b
132c37029
141c5c927
1513aa68b
hexd8d4b7

14210231 has 16 divisors (see below), whose sum is σ = 16907520. Its totient is φ = 11689920.

The previous prime is 14210219. The next prime is 14210239. The reversal of 14210231 is 13201241.

It is not a de Polignac number, because 14210231 - 218 = 13948087 is a prime.

It is a super-2 number, since 2×142102312 = 403861330146722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14210239) 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, 18860 + ... + 19598.

It is an arithmetic number, because the mean of its divisors is an integer number (1056720).

Almost surely, 214210231 is an apocalyptic number.

14210231 is a deficient number, since it is larger than the sum of its proper divisors (2697289).

14210231 is an equidigital number, since it uses as much as digits as its factorization.

14210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 14210231 is about 3769.6460046004. The cubic root of 14210231 is about 242.2146343875.

Adding to 14210231 its reverse (13201241), we get a palindrome (27411472).

It can be divided in two parts, 14210 and 231, that added together give a palindrome (14441).

The spelling of 14210231 in words is "fourteen million, two hundred ten thousand, two hundred thirty-one".

Divisors: 1 7 41 67 287 469 739 2747 5173 19229 30299 49513 212093 346591 2030033 14210231