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14388939 = 328771823
BaseRepresentation
bin110110111000…
…111011001011
31000002000220200
4312320323023
512140421224
61232223243
7233206155
oct66707313
930060820
1014388939
118138694
12499ab23
132c9a486
141ca7ad5
1513e35c9
hexdb8ecb

14388939 has 12 divisors (see below), whose sum is σ = 20819136. Its totient is φ = 9576432.

The previous prime is 14388911. The next prime is 14388943. The reversal of 14388939 is 93988341.

It is not a de Polignac number, because 14388939 - 29 = 14388427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14388894 and 14388903.

It is not an unprimeable number, because it can be changed into a prime (14388989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6982 + ... + 8804.

It is an arithmetic number, because the mean of its divisors is an integer number (1734928).

Almost surely, 214388939 is an apocalyptic number.

14388939 is a deficient number, since it is larger than the sum of its proper divisors (6430197).

14388939 is a wasteful number, since it uses less digits than its factorization.

14388939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2703 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 14388939 is about 3793.2754975087. The cubic root of 14388939 is about 243.2257719814.

The spelling of 14388939 in words is "fourteen million, three hundred eighty-eight thousand, nine hundred thirty-nine".

Divisors: 1 3 9 877 1823 2631 5469 7893 16407 1598771 4796313 14388939