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14219816 = 2313731873
BaseRepresentation
bin110110001111…
…101000101000
3222202102220212
4312033220220
512120013231
61224440252
7231603122
oct66175050
928672825
1014219816
118032616
124919088
132c3b4c0
141c62212
1513ad42b
hexd8fa28

14219816 has 32 divisors (see below), whose sum is σ = 29121960. Its totient is φ = 6469632.

The previous prime is 14219801. The next prime is 14219827. The reversal of 14219816 is 61891241.

14219816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5982916 + 8236900 = 2446^2 + 2870^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6656 + ... + 8528.

Almost surely, 214219816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14219816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14560980).

14219816 is an abundant number, since it is smaller than the sum of its proper divisors (14902144).

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

14219816 is a wasteful number, since it uses less digits than its factorization.

14219816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1961 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 14219816 is about 3770.9171298240. The cubic root of 14219816 is about 242.2690812030.

The spelling of 14219816 in words is "fourteen million, two hundred nineteen thousand, eight hundred sixteen".

Divisors: 1 2 4 8 13 26 52 73 104 146 292 584 949 1873 1898 3746 3796 7492 7592 14984 24349 48698 97396 136729 194792 273458 546916 1093832 1777477 3554954 7109908 14219816