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14720432 = 245317359
BaseRepresentation
bin111000001001…
…110110110000
31000200212122012
4320021312300
512232023212
61243302052
7236056466
oct70116660
930625565
1014720432
118344751
124b1a928
13308531c
141d52836
15145b922
hexe09db0

14720432 has 20 divisors (see below), whose sum is σ = 29060640. Its totient is φ = 7220928.

The previous prime is 14720417. The next prime is 14720467. The reversal of 14720432 is 23402741.

It is a super-2 number, since 2×147204322 = 433382236533248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14720398 and 14720407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7832 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (1453032).

Almost surely, 214720432 is an apocalyptic number.

It is an amenable number.

14720432 is a deficient number, since it is larger than the sum of its proper divisors (14340208).

14720432 is a wasteful number, since it uses less digits than its factorization.

14720432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17420 (or 17414 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 14720432 is about 3836.7215171289. The cubic root of 14720432 is about 245.0794244783.

The spelling of 14720432 in words is "fourteen million, seven hundred twenty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 53 106 212 424 848 17359 34718 69436 138872 277744 920027 1840054 3680108 7360216 14720432