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14728730 = 254013673
BaseRepresentation
bin111000001011…
…111000011010
31000201022000112
4320023320122
512232304410
61243404322
7236122622
oct70137032
930638015
1014728730
11834aa05
124b236a2
133089033
141d55882
15145e105
hexe0be1a

14728730 has 16 divisors (see below), whose sum is σ = 26585064. Its totient is φ = 5875200.

The previous prime is 14728697. The next prime is 14728757. The reversal of 14728730 is 3782741.

It is a happy number.

14728730 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 12652249 + 2076481 = 3557^2 + 1441^2 .

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, 2174 + ... + 5846.

Almost surely, 214728730 is an apocalyptic number.

14728730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14728730 is a deficient number, since it is larger than the sum of its proper divisors (11856334).

14728730 is a wasteful number, since it uses less digits than its factorization.

14728730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 14728730 is about 3837.8027567868. The cubic root of 14728730 is about 245.1254667651.

The spelling of 14728730 in words is "fourteen million, seven hundred twenty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 401 802 2005 3673 4010 7346 18365 36730 1472873 2945746 7364365 14728730