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14244140 = 2255211367
BaseRepresentation
bin110110010101…
…100100101100
3222210200021202
4312111210230
512121303030
61225145032
7232034051
oct66254454
928720252
1014244140
118049919
12492b178
132c495b1
141c6b028
1513b5745
hexd9592c

14244140 has 24 divisors (see below), whose sum is σ = 29992032. Its totient is φ = 5682560.

The previous prime is 14244103. The next prime is 14244143. The reversal of 14244140 is 4144241.

It is a happy number.

14244140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (14244143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9737 + ... + 11103.

It is an arithmetic number, because the mean of its divisors is an integer number (1249668).

Almost surely, 214244140 is an apocalyptic number.

14244140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14244140 is an abundant number, since it is smaller than the sum of its proper divisors (15747892).

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

14244140 is a wasteful number, since it uses less digits than its factorization.

14244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 14244140 is about 3774.1409618614. The cubic root of 14244140 is about 242.4071419724.

Adding to 14244140 its reverse (4144241), we get a palindrome (18388381).

The spelling of 14244140 in words is "fourteen million, two hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 521 1042 1367 2084 2605 2734 5210 5468 6835 10420 13670 27340 712207 1424414 2848828 3561035 7122070 14244140