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14280761 = 111968329
BaseRepresentation
bin110110011110…
…100000111001
3222212112112002
4312132200321
512123441021
61230030345
7232245605
oct66364071
928775462
1014280761
118074390
1249483b5
132c60171
141c7a505
1513c150b
hexd9e839

14280761 has 8 divisors (see below), whose sum is σ = 16399200. Its totient is φ = 12299040.

The previous prime is 14280757. The next prime is 14280767. The reversal of 14280761 is 16708241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14280761 - 22 = 14280757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14280767) by changing a digit.

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, 33956 + ... + 34373.

It is an arithmetic number, because the mean of its divisors is an integer number (2049900).

Almost surely, 214280761 is an apocalyptic number.

14280761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14280761 is a deficient number, since it is larger than the sum of its proper divisors (2118439).

14280761 is a wasteful number, since it uses less digits than its factorization.

14280761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68359.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 14280761 is about 3778.9894151744. The cubic root of 14280761 is about 242.6147032381.

The spelling of 14280761 in words is "fourteen million, two hundred eighty thousand, seven hundred sixty-one".

Divisors: 1 11 19 209 68329 751619 1298251 14280761