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14306540 = 2254173239
BaseRepresentation
bin110110100100…
…110011101100
3222220211212212
4312210303230
512130302130
61230345552
7232414013
oct66446354
928824785
1014306540
118091796
12495b2b8
132c6bb11
141c85a7a
1513c8e95
hexda4cec

14306540 has 48 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 5483520.

The previous prime is 14306521. The next prime is 14306561. The reversal of 14306540 is 4560341.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 59741 + ... + 59979.

It is an arithmetic number, because the mean of its divisors is an integer number (652680).

Almost surely, 214306540 is an apocalyptic number.

14306540 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 14306540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

14306540 is an abundant number, since it is smaller than the sum of its proper divisors (17022100).

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

14306540 is a wasteful number, since it uses less digits than its factorization.

14306540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 14306540 is about 3782.3987098137. The cubic root of 14306540 is about 242.7606012716.

Adding to 14306540 its reverse (4560341), we get a palindrome (18866881).

The spelling of 14306540 in words is "fourteen million, three hundred six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 41 73 82 146 164 205 239 292 365 410 478 730 820 956 1195 1460 2390 2993 4780 5986 9799 11972 14965 17447 19598 29930 34894 39196 48995 59860 69788 87235 97990 174470 195980 348940 715327 1430654 2861308 3576635 7153270 14306540