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14231340 = 2232579063
BaseRepresentation
bin110110010010…
…011100101100
3222210000201200
4312102130230
512120400330
61225005500
7231651534
oct66223454
928700650
1014231340
118040242
124923890
132c43816
141c664c4
1513b1a60
hexd9272c

14231340 has 36 divisors (see below), whose sum is σ = 43168944. Its totient is φ = 3794976.

The previous prime is 14231293. The next prime is 14231341. The reversal of 14231340 is 4313241.

14231340 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (14231341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39352 + ... + 39711.

Almost surely, 214231340 is an apocalyptic number.

14231340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14231340 is an abundant number, since it is smaller than the sum of its proper divisors (28937604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14231340 is a wasteful number, since it uses less digits than its factorization.

14231340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79078 (or 79073 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 14231340 is about 3772.4448306105. Note that the first 3 decimals coincide. The cubic root of 14231340 is about 242.3345099686.

Adding to 14231340 its reverse (4313241), we get a palindrome (18544581).

The spelling of 14231340 in words is "fourteen million, two hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 79063 158126 237189 316252 395315 474378 711567 790630 948756 1185945 1423134 1581260 2371890 2846268 3557835 4743780 7115670 14231340