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14028220 = 2253531987
BaseRepresentation
bin110101100000…
…110110111100
3222101201002201
4311200312330
512042400340
61220401244
7230144413
oct65406674
928351081
1014028220
117a11678
124846224
132ba222b
141c1247a
15137179a
hexd60dbc

14028220 has 24 divisors (see below), whose sum is σ = 29557584. Its totient is φ = 5592576.

The previous prime is 14028211. The next prime is 14028239. The reversal of 14028220 is 2282041.

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, 6067 + ... + 8053.

It is an arithmetic number, because the mean of its divisors is an integer number (1231566).

Almost surely, 214028220 is an apocalyptic number.

14028220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14028220 is an abundant number, since it is smaller than the sum of its proper divisors (15529364).

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

14028220 is a wasteful number, since it uses less digits than its factorization.

14028220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 14028220 is about 3745.4265444673. The cubic root of 14028220 is about 241.1760563383.

The spelling of 14028220 in words is "fourteen million, twenty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 353 706 1412 1765 1987 3530 3974 7060 7948 9935 19870 39740 701411 1402822 2805644 3507055 7014110 14028220