Search a number
-
+
14378385 = 357373701
BaseRepresentation
bin110110110110…
…010110010001
31000001111102210
4312312112101
512140102020
61232102333
7233133330
oct66662621
930044383
1014378385
11813076a
1249949a9
132c95728
141ca3d17
1513e03e0
hexdb6591

14378385 has 32 divisors (see below), whose sum is σ = 27009792. Its totient is φ = 6393600.

The previous prime is 14378363. The next prime is 14378387. The reversal of 14378385 is 58387341.

It is not a de Polignac number, because 14378385 - 26 = 14378321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14378387) 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 31 ways as a sum of consecutive naturals, for example, 2035 + ... + 5735.

It is an arithmetic number, because the mean of its divisors is an integer number (844056).

Almost surely, 214378385 is an apocalyptic number.

14378385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14378385 is a deficient number, since it is larger than the sum of its proper divisors (12631407).

14378385 is a wasteful number, since it uses less digits than its factorization.

14378385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753.

The product of its digits is 80640, while the sum is 39.

The square root of 14378385 is about 3791.8840963299. The cubic root of 14378385 is about 243.1662903506.

The spelling of 14378385 in words is "fourteen million, three hundred seventy-eight thousand, three hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 37 105 111 185 259 555 777 1295 3701 3885 11103 18505 25907 55515 77721 129535 136937 388605 410811 684685 958559 2054055 2875677 4792795 14378385