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14124640 = 255432053
BaseRepresentation
bin110101111000…
…011001100000
3222120121100211
4311320121200
512103442030
61222423504
7231025465
oct65703140
928517324
1014124640
117a78062
124891b94
132c0709a
141c3966c
15139012a
hexd78660

14124640 has 48 divisors (see below), whose sum is σ = 34162128. Its totient is φ = 5515776.

The previous prime is 14124631. The next prime is 14124673. The reversal of 14124640 is 4642141.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5854 + ... + 7906.

It is an arithmetic number, because the mean of its divisors is an integer number (711711).

Almost surely, 214124640 is an apocalyptic number.

14124640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14124640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17081064).

14124640 is an abundant number, since it is smaller than the sum of its proper divisors (20037488).

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

14124640 is a wasteful number, since it uses less digits than its factorization.

14124640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 14124640 is about 3758.2762006005. The cubic root of 14124640 is about 241.7273527078.

Adding to 14124640 its reverse (4642141), we get a palindrome (18766781).

The spelling of 14124640 in words is "fourteen million, one hundred twenty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 80 86 160 172 215 344 430 688 860 1376 1720 2053 3440 4106 6880 8212 10265 16424 20530 32848 41060 65696 82120 88279 164240 176558 328480 353116 441395 706232 882790 1412464 1765580 2824928 3531160 7062320 14124640