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14272280 = 23511163199
BaseRepresentation
bin110110011100…
…011100011000
3222212002212222
4312130130120
512123203110
61225523212
7232212101
oct66343430
928762788
1014272280
118068a80
124943508
132c59349
141c773a8
1513bdc55
hexd9c718

14272280 has 64 divisors (see below), whose sum is σ = 35424000. Its totient is φ = 5132160.

The previous prime is 14272201. The next prime is 14272301. The reversal of 14272280 is 8227241.

14272280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71621 + ... + 71819.

It is an arithmetic number, because the mean of its divisors is an integer number (553500).

Almost surely, 214272280 is an apocalyptic number.

14272280 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 14272280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17712000).

14272280 is an abundant number, since it is smaller than the sum of its proper divisors (21151720).

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

14272280 is a wasteful number, since it uses less digits than its factorization.

14272280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 14272280 is about 3777.8671231265. The cubic root of 14272280 is about 242.5666660513.

The spelling of 14272280 in words is "fourteen million, two hundred seventy-two thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 163 199 220 326 398 440 652 796 815 995 1304 1592 1630 1793 1990 2189 3260 3586 3980 4378 6520 7172 7960 8756 8965 10945 14344 17512 17930 21890 32437 35860 43780 64874 71720 87560 129748 162185 259496 324370 356807 648740 713614 1297480 1427228 1784035 2854456 3568070 7136140 14272280