Search a number
-
+
14394438 = 2321942089
BaseRepresentation
bin110110111010…
…010001000110
31000002022110100
4312322101012
512141110223
61232304530
7233231202
oct66722106
930068410
1014394438
118141833
1249a2146
132c9cb26
141ca9b02
1513e5043
hexdba446

14394438 has 24 divisors (see below), whose sum is σ = 32830200. Its totient is φ = 4545504.

The previous prime is 14394437. The next prime is 14394449. The reversal of 14394438 is 83449341.

14394438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14394433) 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, 20703 + ... + 21386.

It is an arithmetic number, because the mean of its divisors is an integer number (1367925).

Almost surely, 214394438 is an apocalyptic number.

14394438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14394438 is an abundant number, since it is smaller than the sum of its proper divisors (18435762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14394438 is a wasteful number, since it uses less digits than its factorization.

14394438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42116 (or 42113 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 14394438 is about 3794.0002635741. Note that the first 3 decimals coincide. The cubic root of 14394438 is about 243.2567524489.

The spelling of 14394438 in words is "fourteen million, three hundred ninety-four thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 42089 84178 126267 252534 378801 757602 799691 1599382 2399073 4798146 7197219 14394438