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14306140 = 2251973631
BaseRepresentation
bin110110100100…
…101101011100
3222220211100001
4312210231130
512130244030
61230344044
7232412602
oct66445534
928824301
1014306140
118091462
12495b024
132c6b894
141c85872
1513c8cca
hexda4b5c

14306140 has 24 divisors (see below), whose sum is σ = 30203712. Its totient is φ = 5691840.

The previous prime is 14306137. The next prime is 14306153. The reversal of 14306140 is 4160341.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (1258488).

Almost surely, 214306140 is an apocalyptic number.

14306140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14306140 is an abundant number, since it is smaller than the sum of its proper divisors (15897572).

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

14306140 is a wasteful number, since it uses less digits than its factorization.

14306140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837 (or 3835 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 14306140 is about 3782.3458329455. The cubic root of 14306140 is about 242.7583387831.

Adding to 14306140 its reverse (4160341), we get a palindrome (18466481).

The spelling of 14306140 in words is "fourteen million, three hundred six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3631 3940 7262 14524 18155 36310 72620 715307 1430614 2861228 3576535 7153070 14306140