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14808839 = 19317669
BaseRepresentation
bin111000011111…
…011100000111
31000212100220112
4320133130013
512242340324
61245223235
7236605313
oct70373407
930770815
1014808839
1183a5111
124b61b1b
1330b6636
141d76b43
151477c0e
hexe1f707

14808839 has 4 divisors (see below), whose sum is σ = 14818440. Its totient is φ = 14799240.

The previous prime is 14808797. The next prime is 14808851. The reversal of 14808839 is 93880841.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93880841 = 937100193.

It is a cyclic number.

It is not a de Polignac number, because 14808839 - 28 = 14808583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14808796 and 14808805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14808439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (3704610).

Almost surely, 214808839 is an apocalyptic number.

14808839 is a deficient number, since it is larger than the sum of its proper divisors (9601).

14808839 is an equidigital number, since it uses as much as digits as its factorization.

14808839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 14808839 is about 3848.2254351844. The cubic root of 14808839 is about 245.5690728333.

The spelling of 14808839 in words is "fourteen million, eight hundred eight thousand, eight hundred thirty-nine".

Divisors: 1 1931 7669 14808839