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14308812 = 22367701
BaseRepresentation
bin110110100101…
…010111001100
3222220222000000
4312211113030
512130340222
61230404300
7232423440
oct66452714
928828000
1014308812
118093471
124960690
132c6cb6b
141c86820
1513c99ac
hexda55cc

14308812 has 84 divisors (see below), whose sum is σ = 42968016. Its totient is φ = 4082400.

The previous prime is 14308807. The next prime is 14308813. The reversal of 14308812 is 21880341.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14308813) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 20062 + ... + 20762.

It is an arithmetic number, because the mean of its divisors is an integer number (511524).

Almost surely, 214308812 is an apocalyptic number.

14308812 is a gapful number since it is divisible by the number (12) 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 14308812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21484008).

14308812 is an abundant number, since it is smaller than the sum of its proper divisors (28659204).

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

14308812 is an equidigital number, since it uses as much as digits as its factorization.

14308812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 14308812 is about 3782.6990364024. The cubic root of 14308812 is about 242.7734514061.

The spelling of 14308812 in words is "fourteen million, three hundred eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 701 729 756 972 1134 1402 1458 1701 2103 2268 2804 2916 3402 4206 4907 5103 6309 6804 8412 9814 10206 12618 14721 18927 19628 20412 25236 29442 37854 44163 56781 58884 75708 88326 113562 132489 170343 176652 227124 264978 340686 397467 511029 529956 681372 794934 1022058 1192401 1589868 2044116 2384802 3577203 4769604 7154406 14308812