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14387439 = 311435983
BaseRepresentation
bin110110111000…
…100011101111
31000001221212010
4312320203233
512140344224
61232212303
7233201613
oct66704357
930057763
1014387439
118137550
12499a093
132c998a1
141ca7343
1513e2e29
hexdb88ef

14387439 has 8 divisors (see below), whose sum is σ = 20927232. Its totient is φ = 8719640.

The previous prime is 14387419. The next prime is 14387447. The reversal of 14387439 is 93478341.

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 14387439 - 25 = 14387407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14387397 and 14387406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14387419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217959 + ... + 218024.

It is an arithmetic number, because the mean of its divisors is an integer number (2615904).

Almost surely, 214387439 is an apocalyptic number.

14387439 is a deficient number, since it is larger than the sum of its proper divisors (6539793).

14387439 is a wasteful number, since it uses less digits than its factorization.

14387439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435997.

The product of its digits is 72576, while the sum is 39.

The square root of 14387439 is about 3793.0777740510. The cubic root of 14387439 is about 243.2173198563.

The spelling of 14387439 in words is "fourteen million, three hundred eighty-seven thousand, four hundred thirty-nine".

Divisors: 1 3 11 33 435983 1307949 4795813 14387439