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14718728 = 234342787
BaseRepresentation
bin111000001001…
…011100001000
31000200210022002
4320021130020
512231444403
61243250132
7236051513
oct70113410
930623262
1014718728
118343442
124b19948
13308460b
141d51d7a
15145b188
hexe09708

14718728 has 16 divisors (see below), whose sum is σ = 28240080. Its totient is φ = 7188048.

The previous prime is 14718703. The next prime is 14718733. The reversal of 14718728 is 82781741.

It is a junction number, because it is equal to n+sod(n) for n = 14718691 and 14718700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21050 + ... + 21737.

It is an arithmetic number, because the mean of its divisors is an integer number (1765005).

Almost surely, 214718728 is an apocalyptic number.

It is an amenable number.

14718728 is a deficient number, since it is larger than the sum of its proper divisors (13521352).

14718728 is a wasteful number, since it uses less digits than its factorization.

14718728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42836 (or 42832 counting only the distinct ones).

The product of its digits is 25088, while the sum is 38.

The square root of 14718728 is about 3836.4994461097. The cubic root of 14718728 is about 245.0699675219.

The spelling of 14718728 in words is "fourteen million, seven hundred eighteen thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 43 86 172 344 42787 85574 171148 342296 1839841 3679682 7359364 14718728